Idioms

Idioms for Kids: Common Sayings Explained Simply

By the Grammar Wisdom editors Updated 21 min read

  • 138 examples
  • 25 practice questions
  • 9 common mistakes
  • 8 FAQs
Illustration of a toy box overflowing with a teddy bear, a top and a ball
On this page9 sections
  1. What are Idioms?
  2. Understanding Idiom Structure
  3. Types of Idioms
  4. Idiom Examples
  5. Rules for Using Idioms
  6. Common Mistakes with Idioms
  7. Practice Exercises
  8. Advanced Idioms
  9. FAQ

Idioms are a fascinating part of the English language! They are phrases or expressions where the words, when taken literally, don’t mean the same as the overall meaning of the idiom. Learning idioms helps kids understand what people really mean, even when they’re not saying it directly. This skill is essential for improving reading comprehension, boosting communication skills, and even making your writing more colorful and interesting. So, get ready for a fun journey into the world of idioms!

What are Idioms?

An idiom is a phrase or expression whose meaning cannot be understood from the ordinary meanings of the words in it. In other words, it’s a saying that has a different meaning than the literal meaning of its individual words. Idioms add color and personality to language, making it more interesting and engaging. They often reflect cultural experiences and historical events.

For example, if someone says “It’s raining cats and dogs,” they don’t literally mean that animals are falling from the sky! They mean it’s raining very heavily. This is an idiom.

Key Characteristics of Idioms:

  • Non-literal meaning: The overall meaning is different from the individual words.
  • Cultural significance: Often rooted in cultural or historical contexts.
  • Figurative language: Uses metaphors, similes, or other figures of speech.
  • Common Usage: Frequently used in everyday conversation and writing.

Understanding Idiom Structure

Idioms can be made up of different parts of speech, but they usually follow a specific pattern. Recognizing these patterns can help you understand and remember idioms more easily.

Common Structural Elements:

  • Verbs: Many idioms include verbs, like “kick the bucket” (to die).
  • Nouns: Idioms often use nouns to create a vivid image, like “a piece of cake” (easy).
  • Prepositions: Prepositions are frequently used to connect words in an idiom, such as “over the moon” (very happy).
  • Adjectives: Adjectives can add detail and color to an idiom, like “green with envy” (jealous).

Understanding the structure of an idiom can sometimes give you a hint about its meaning. However, it’s important to remember that the meaning of an idiom is not always obvious from its structure.

Types of Idioms

Idioms can be categorized based on their function or the type of figurative language they use. Here are a few common types:

Similes

Similes compare two things using “like” or “as.”

Example: As cool as a cucumber (very calm).

Metaphors

Metaphors compare two things by saying one thing is another.

Example: Time is money (time is valuable).

Hyperboles

Hyperboles use exaggeration for emphasis or effect.

Example: I’m so hungry I could eat a horse (very hungry).

Proverbs

Proverbs are short, well-known sayings that offer advice or wisdom.

Example: Better late than never (it’s better to do something late than not at all).

Idiom Examples

Here are some common idioms with explanations and examples. Understanding these idioms will help you better comprehend everyday conversations and improve your overall grasp of the English language.

Animal Idioms

Animal idioms are very common and often use animal characteristics to describe human qualities or situations. The table below showcases several animal idioms with explanations and examples.

Idiom Meaning Example
Barking up the wrong tree Accusing or criticizing the wrong person If you think I took your pencil, you’re barking up the wrong tree.
A bird in the hand is worth two in the bush It’s better to keep what you have than to risk losing it by trying to get more I know that project sounds good, but a bird in the hand is worth two in the bush.
Cat got your tongue? Why aren’t you talking? You’ve been quiet all night. Cat got your tongue?
Cry wolf To raise a false alarm If you cry wolf too often, people won’t believe you when there’s a real emergency.
Dog days of summer Hottest days of the summer We’re in the dog days of summer, so stay cool.
Eager beaver Someone who is very enthusiastic and hardworking She’s such an eager beaver, always the first to volunteer.
Elephant in the room An obvious problem that no one wants to discuss Her failing grades are the elephant in the room that no one wants to mention.
Fish out of water Someone who feels uncomfortable or out of place Moving to a new school made him feel like a fish out of water.
Get your ducks in a row To organize things Make sure you get your ducks in a row before the presentation.
Hold your horses Wait a minute Hold your horses! Let’s think about this plan before we act.
Kill two birds with one stone Accomplish two things at once By biking to work, I kill two birds with one stone: exercise and transportation.
Let sleeping dogs lie Don’t stir up trouble It’s best to let sleeping dogs lie and not bring up the argument again.
Like a bull in a china shop Clumsy or careless He was like a bull in a china shop, knocking things over everywhere he went.
Monkey business Mischievous or dishonest behavior There’s no monkey business allowed in my classroom.
Night owl Someone who stays up late I’m a night owl; I do my best work after midnight.
Open a can of worms Create a lot of new problems Bringing up that topic would open a can of worms.
Pig out Eat a lot We pigged out on pizza last night.
Raining cats and dogs Raining very hard It’s raining cats and dogs outside; don’t forget your umbrella.
Straight from the horse’s mouth From a reliable source I heard it straight from the horse’s mouth that we’re getting a day off.
Take the bull by the horns To face a challenge directly He decided to take the bull by the horns and confront his fears.
Watch like a hawk Watch closely The teacher watched the students like a hawk during the exam.
As busy as a bee Very busy, working hard on many things Mom was as busy as a bee getting everything ready for my birthday party.
As quiet as a mouse Very quiet I was as quiet as a mouse so I wouldn’t wake up the baby.
As stubborn as a mule Very stubborn; refusing to change your mind My little brother is as stubborn as a mule when it’s time for a bath.
As gentle as a lamb Very gentle and kind My big sister is as gentle as a lamb when she holds our new baby cousin.
As blind as a bat Unable to see well (even though real bats can see) Without my glasses, I’m as blind as a bat.
Let the cat out of the bag Accidentally tell a secret Jake let the cat out of the bag and told Grandma about her surprise party.
Have butterflies in your stomach Feel nervous or jittery I had butterflies in my stomach before my first swimming race.
A wild goose chase A long, pointless search for something you are unlikely to find Hunting for my lost sock all over the house turned into a wild goose chase.
Chicken out Decide not to do something because you are scared Leo climbed up to the high diving board but chickened out at the last minute.
Early bird Someone who gets up or arrives early Grandpa is an early bird; he’s awake before the sun comes up.
In the doghouse In trouble because someone is upset with you I’m in the doghouse with Mom for tracking mud across the kitchen floor.
Ugly duckling Someone who seems plain or awkward at first but grows into someone beautiful or impressive Our puppy was the ugly duckling of the litter, but she grew into a beautiful dog.
You can’t teach an old dog new tricks It is hard to get people to change habits they have had for a long time Grandpa says you can’t teach an old dog new tricks, but he learned to video-call us anyway.
Wouldn’t hurt a fly Is very gentle and harmless Don’t be scared of Max; that big dog wouldn’t hurt a fly.

Food Idioms

Food idioms are a tasty way to add flavor to your language! These idioms use food-related words to describe various situations, feelings, or characteristics. They can make your speech more interesting and relatable. Here is a table full of food idioms, explanations, and examples.

Idiom Meaning Example
A piece of cake Easy The test was a piece of cake.
Apple of my eye Someone cherished My granddaughter is the apple of my eye.
As easy as pie Very easy Learning to ride a bike is as easy as pie.
Bad egg A bad person He’s a bad egg; I wouldn’t trust him.
Bread and butter Main source of income Teaching is my bread and butter.
Bring home the bacon Earn a living He works hard to bring home the bacon for his family.
Butter someone up Flatter someone He tried to butter up his teacher to get a better grade.
Cool as a cucumber Very calm He was as cool as a cucumber during the presentation.
Cream of the crop The best She’s the cream of the crop in her class.
Cup of tea Something one enjoys Ballet isn’t really my cup of tea.
Full of beans Energetic The kids were full of beans after the party.
Have a sweet tooth Love sweets I have a sweet tooth; I can’t resist chocolate.
In a nutshell Briefly In a nutshell, the project was a success.
Know your onions Be knowledgeable He really knows his onions when it comes to computers.
Like two peas in a pod Very similar They’re like two peas in a pod; they do everything together.
One smart cookie Intelligent person She’s one smart cookie; she always gets good grades.
Piece of cake Easy The test was a piece of cake.
Spill the beans Reveal a secret He spilled the beans about the surprise party.
Take something with a grain of salt Don’t take it too seriously Take his advice with a grain of salt; he’s not always right.
Too many cooks spoil the broth Too many people involved ruins it We should limit the number of people working on this project; too many cooks spoil the broth.
Have your cake and eat it too Want two good things when you can only have one of them You can’t have your cake and eat it too: if you spend your allowance on candy, you can’t also save it.
Eat humble pie Admit that you were wrong, often after boasting After bragging that he’d win, Sam had to eat humble pie when he came in last.
Go bananas Get very excited or act wild The crowd went bananas when our team scored the winning goal.
Put all your eggs in one basket Depend on just one plan, so you lose everything if it fails Don’t put all your eggs in one basket; try out for the choir and the school play.
Walk on eggshells Be very careful not to upset someone Everyone was walking on eggshells around my brother after his team lost.
Sour grapes Pretending you didn’t want something because you couldn’t get it Ben said the prize was silly after he lost, but that was just sour grapes.
Use your noodle Think hard; use your brain Use your noodle and you’ll figure out the riddle.
Cry over spilled milk Get upset about something that has already happened and can’t be changed There’s no use crying over spilled milk; let’s just start the drawing again.

Color Idioms

Color idioms use colors to express feelings, situations, or characteristics in a figurative way. These idioms can add vividness and depth to your language. Here’s a table of common color idioms with their explanations and examples.

Idiom Meaning Example
Black and white Clear and simple The rules are black and white; there’s no room for interpretation.
Black sheep Odd one out He’s the black sheep of the family; he doesn’t follow the same path as everyone else.
Bleed someone dry Take all of someone’s money The company bled the small business owner dry with their high fees.
Born with a silver spoon in your mouth Born into wealth He was born with a silver spoon in his mouth and never had to work hard.
Catch someone red-handed Catch someone in the act He was caught red-handed stealing cookies from the jar.
Every cloud has a silver lining There’s good in every bad situation Even though you lost the game, remember that every cloud has a silver lining.
Feeling blue Feeling sad I’m feeling blue today because it’s raining.
Give the green light Give permission The teacher gave us the green light to start the project.
Green with envy Jealous She was green with envy when she saw my new bike.
In the black Profitable The company is in the black this year.
In the red Losing money The business is in the red and needs to make some changes.
Once in a blue moon Rarely I only go to the movies once in a blue moon.
Out of the blue Unexpectedly The phone call came out of the blue and surprised me.
Paint the town red Go out and have fun Let’s go paint the town red tonight!
Red tape Bureaucracy The project was delayed by a lot of red tape.
See red Become angry He saw red when he found out someone had scratched his car.
Silver lining A positive aspect of a bad situation Losing my job was tough, but the silver lining is that I have more time to spend with my family.
Tickled pink Very pleased She was tickled pink to receive such a thoughtful gift.
True colors Real personality He showed his true colors when he got angry.
White lie Harmless lie I told a white lie to avoid hurting her feelings.
With flying colors Very successfully Priya passed her spelling test with flying colors.
Green thumb A natural talent for growing plants Grandma has a green thumb; her tomato plants are always the biggest on the street.
White as a ghost Very pale, often from fear or shock He turned as white as a ghost when the thunder crashed.
Gray area Something that is not clearly right or wrong Whether you can bring snacks on the field trip is a gray area, so ask your teacher.
Golden opportunity A very good chance to do something The science fair is a golden opportunity to show what you’ve learned.
Red herring A clue or idea that distracts you from what really matters In the mystery book, the muddy boots turned out to be a red herring.

Body Part Idioms

Body part idioms use different parts of the body to convey meanings beyond the literal. They can be quite expressive and add a unique flair to your language. Below you will find a table covering body part idioms, their meanings, and examples.

Idiom Meaning Example
All ears Listening attentively I’m all ears; tell me what happened.
Break a leg Good luck Break a leg with your performance tonight!
By the skin of your teeth Barely I passed the test by the skin of my teeth.
Cost an arm and a leg Very expensive That car costs an arm and a leg.
Cry your heart out Cry a lot She cried her heart out after watching the sad movie.
Get something off your chest Confess something I need to get something off my chest; I made a mistake.
Give someone a hand Help someone Can you give me a hand with these groceries?
Head in the clouds Daydreaming He always has his head in the clouds; he needs to focus.
Keep an eye on Watch carefully Please keep an eye on my bag while I go to the restroom.
Learn by heart Memorize I need to learn this poem by heart for the recital.
Lose your head Become angry He lost his head when he heard the bad news.
On the tip of my tongue Almost remember His name is on the tip of my tongue, but I can’t recall it.
Pull someone’s leg Tease someone I was just pulling your leg; I didn’t really win the lottery.
Put your foot in your mouth Say something embarrassing I really put my foot in my mouth when I asked her about her ex.
See eye to eye Agree We don’t always see eye to eye, but we respect each other’s opinions.
Stick your neck out Take a risk I’m sticking my neck out by supporting this project.
Thumb your nose at Show disrespect He thumbed his nose at the rules and did what he wanted.
Toe the line Follow the rules Everyone has to toe the line in this company.
Turn a blind eye Ignore something The teacher turned a blind eye to the students’ misbehavior.
Under your nose Right in front of you The keys were right under your nose the whole time!
Keep your fingers crossed Hope for good luck I’m keeping my fingers crossed that it won’t rain on sports day.
Wet behind the ears Young and without much experience Our new goalie is still a bit wet behind the ears, but she’s learning fast.
Get cold feet Suddenly feel too nervous to do something you planned Maya almost got cold feet before her piano recital, but she played beautifully.
Keep your chin up Stay cheerful when things are hard Keep your chin up; you’ll do better on the next test.
Play it by ear Decide what to do as things happen instead of planning ahead We don’t know if the park will be busy, so let’s play it by ear.
Put your foot down Say firmly that something must or must not happen Dad put his foot down and said no video games on school nights.
Face the music Accept the results of something you did wrong I broke the window, so I had to face the music and tell my parents.
Give someone the cold shoulder Ignore someone on purpose, usually because you are upset with them Emma gave me the cold shoulder after I forgot to save her a seat.
Lend an ear Listen kindly to someone who wants to talk If you’re feeling sad, I’m always happy to lend an ear.

Weather Idioms

Weather idioms use rain, clouds, storms and sunshine to talk about feelings and situations, like being sick, busy, very happy or going through a hard time. A few, such as raining cats and dogs and every cloud has a silver lining, already appear in the animal and color tables; here are more to learn.

Idiom Meaning Example
Under the weather Feeling a little sick I stayed home from school because I was feeling under the weather.
On cloud nine Extremely happy I was on cloud nine when our class won the reading contest.
Save for a rainy day Keep something, especially money, for a time when you might need it I put half of my birthday money in my piggy bank to save for a rainy day.
Come rain or shine No matter what happens Grandpa walks the dog every morning, come rain or shine.
Weather the storm Get through a difficult time Our team lost three games in a row, but we weathered the storm and won the next one.
The calm before the storm A quiet time just before something busy or difficult The house was quiet all morning, but it was just the calm before the storm: twenty kids were coming for my party.
When it rains, it pours When one bad thing happens, other bad things often happen at the same time First I lost my homework, then I missed the bus. When it rains, it pours!
Fair-weather friend A friend who is only around when things are going well When I broke my leg, I found out who was a real friend and who was just a fair-weather friend.
Snowed under Having too much work to do I’m snowed under with homework this week.
Steal someone’s thunder Take attention or praise away from someone else My cousin stole my thunder by sharing her big news right after I told everyone about my award.
Right as rain Perfectly well again You have a cold now, but after some rest you’ll be right as rain.
In a fog Confused or unable to think clearly I was in such a fog when I woke up that I put my shoes on the wrong feet.
Smooth sailing Easy progress with no problems The first part of the puzzle was tricky, but after that it was smooth sailing.
A storm in a teacup A lot of fuss about something small (American English also says a tempest in a teapot) The argument over who sat in the front seat was just a storm in a teacup.
Clear the air Talk openly to settle an argument or misunderstanding Let’s clear the air and talk about what happened at recess.

Rules for Using Idioms

Using idioms correctly can make your language more expressive and engaging. However, it’s important to use them appropriately to avoid confusion. Here are some rules to keep in mind:

  • Know the Meaning: Always be sure you know the exact meaning of an idiom before using it.
  • Context is Key: Use idioms in situations where they make sense. An idiom might not be appropriate in formal writing or serious conversations.
  • Audience Awareness: Consider your audience. Some people may not be familiar with certain idioms, especially if they are not native English speakers.
  • Avoid Overuse: Don’t overuse idioms, as it can make your language sound unnatural or forced.
  • Correct Form: Use the correct form of the idiom. Changing the words can alter the meaning or make it nonsensical.

Common Mistakes with Idioms

Because idioms are not literal, it’s easy to make mistakes when using them. Here are some common errors to watch out for:

Incorrect Correct Explanation
It’s raining dogs and cats. It’s raining cats and dogs. The correct order of the animals is “cats and dogs.”
Break a leg! (said to someone who is injured) Hope you feel better soon! “Break a leg” is only used to wish someone good luck before a performance.
Spill the beans out. Spill the beans. The word “out” is unnecessary and incorrect.
Take it with a grain of saltiness. Take it with a grain of salt. The correct word is “salt,” not “saltiness.”
He is pulling my foot. He is pulling my leg. The correct body part is “leg,” not “foot.”
I am feeling blue. (said when wearing blue clothes) I like my blue outfit. “Feeling blue” means feeling sad, not wearing blue clothes.
She is green by envy. She is green with envy. The idiom always uses the preposition “with”: green with envy.
He let the dog out of the bag. He let the cat out of the bag. The animal in this idiom is always a cat. Swapping in a different animal breaks the idiom.
I’m feeling under the cloud. I’m feeling under the weather. To say you feel sick, use “under the weather.” “Under a cloud” is a different idiom that means someone is suspected of doing something wrong.

Practice Exercises

Test your knowledge of idioms with these practice exercises. Read each sentence and choose the correct idiom to complete it.

Exercise 1: Fill in the Blanks

Choose the correct idiom from the list below to complete each sentence.

  • a piece of cake
  • raining cats and dogs
  • break a leg
  • spill the beans
  • hit the nail on the head
Practice · 10 questions
Question Answer
1. The test was so easy, it was _____________. a piece of cake
2. I don’t want to _____________, but the surprise party is next week. spill the beans
3. It’s _______________ outside; we should stay inside. raining cats and dogs
4. _______________ with your performance! break a leg
5. You _______________ when you said that the project was poorly managed. hit the nail on the head
6. I forgot my umbrella, and it’s _______. raining cats and dogs
7. Don’t _______ about the party, it’s a secret. spill the beans
8. My math exam was _______. a piece of cake
9. I would like to _______ with my big game this weekend. break a leg
10. The boss _______ when he said we needed to improve our customer service. hit the nail on the head

Exercise 2: Matching

Match each idiom with its correct meaning.

Idiom Meaning
1. Get something off your chest A. Very expensive
2. Cost an arm and a leg B. Agree
3. See eye to eye C. Confess something
4. Head in the clouds D. Daydreaming
5. Keep an eye on E. Watch Carefully

Answers:

Practice · 5 questions
Question Answer
1. C
2. A
3. B
4. D
5. E

Exercise 3: True or False

Determine whether each statement about the idiom is true or false.

Practice · 10 questions
Statement Answer
1. “Feeling blue” means feeling happy. False
2. “Once in a blue moon” means rarely. True
3. “Paint the town red” means to stay home and relax. False
4. “Black sheep” refers to someone who fits in perfectly. False
5. “Catch someone red-handed” means to catch someone in the act. True
6. “As cool as a cucumber” means to be nervous. False
7. “Butter someone up” means to make someone angry. False
8. “Cup of tea” means something one enjoys. True
9. “Bad egg” means a good person. False
10. “Like two peas in a pod” means very similar. True

Advanced Idioms

Once you’ve mastered the basics, you can explore more advanced idioms. These idioms are less common but can add sophistication to your language. Some advanced idioms include:

  • Bury the hatchet: To make peace after a conflict.
  • Call a spade a spade: To speak frankly and honestly.
  • Curiosity killed the cat: Being too curious can lead to trouble.
  • Don’t count your chickens before they hatch: Don’t assume success before it happens.
  • Elvis has left the building: The show is over; it’s time to leave.

Learning advanced idioms can expand your vocabulary and make you a more skilled communicator. Try to find these idioms in books, movies, or conversations, and pay attention to how they are used.

Frequently Asked Questions

Here are some frequently asked questions about idioms:

  1. What is the difference between an idiom and a proverb?

    An idiom is a phrase whose meaning is different from the literal meaning of the words, while a proverb is a short saying that offers a general truth or piece of advice. For example, “raining cats and dogs” is an idiom, while “a penny saved is a penny earned” is a proverb.

  2. Why are idioms important to learn?

    Idioms are important because they are a common part of everyday language. Understanding idioms helps you better understand conversations, books, movies, and other forms of communication. They also allow you to express yourself more creatively and effectively.

  3. How can I learn more idioms?

    There are many ways to learn more idioms. You can read books, watch movies, listen to podcasts, and use online resources. Pay attention to the context in which idioms are used, and try to use them yourself in your own conversations and writing.

  4. Are idioms the same in all languages?

    No, idioms are not the same in all languages. Each language has its own unique set of idioms that reflect its culture and history. Translating idioms directly from one language to another often doesn’t make sense.

  5. Is it okay to use idioms in formal writing?

    Generally, it’s best to avoid using idioms in formal writing, such as academic papers or business reports. Formal writing requires clear and precise language, and idioms can sometimes be ambiguous or informal. However, there may be exceptions depending on the specific context and audience.

  6. Can I make up my own idioms?

    While it’s fun to be creative with language, idioms are generally established phrases that are widely recognized and understood. If you make up your own idioms, people may not understand what you mean. It’s best to stick to using well-known idioms.

  7. How do I know when to use an idiom?

    Use idioms when you want to add color and personality to your language, and when you are confident that your audience will understand what you mean. Avoid using idioms in situations where clarity and precision are essential, or when communicating with people who may not be familiar with them.

  8. What should I do if I don’t understand an idiom?

    If you don’t understand an idiom, ask someone to explain it to you. You can also look it up in a dictionary or online resource. Pay attention to the context in which the idiom is used, as this can often provide clues about its meaning.

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