Idioms are special phrases where the words together mean something different than what they say on their own. People use them to make their speaking and writing more colourful and exciting. In this article, you will learn many fun and useful idioms that fit right into everyday life.
In this lesson, we’ll look at idioms that mean things ten-year-olds see, feel, and do every day. Let’s get started and explore some of these helpful expressions.
Idioms for 10 Year Olds
1. Piece of cake
Meaning: Something that is very easy to do.
For Example: The maths quiz was a piece of cake for Sarah. / Fixing the toy car was a piece of cake.
Other Ways to Say: Very easy / A breeze
2. Bite off more than you can chew
Meaning: Trying to do more work or take on more tasks than you can handle.
For Example: Leo bit off more than he could chew by joining three clubs at once. / Do not bite off more than you can chew with your homework tonight.
Other Ways to Say: Take on too much / Overdo it
3. Hit the books
Meaning: To study hard for school or a test.
For Example: It is time to hit the books before Friday’s history test. / She hit the books right after getting home from practice.
Other Ways to Say: Study hard / Read up
4. Under the weather
Meaning: Feeling slightly sick or not entirely well.
For Example: Max stayed home from school because he was feeling under the weather. / She looked under the weather during art class.
Other Ways to Say: Feeling ill / Not yourself
5. Break a leg
Meaning: A friendly way to wish someone good luck before a performance or game.
For Example: Break a leg at the school play tonight. / His coach told the team to break a leg before the big match.
Other Ways to Say: Good luck / Do great
6. Spill the beans
Meaning: To tell a secret by mistake or on purpose.
For Example: Tim spilled the beans about the surprise birthday party. / Please do not spill the beans about our secret hiding spot.
Other Ways to Say: Give away the secret / Let it out
7. Once in a blue moon
Meaning: Something that happens very rarely.
For Example: Our family goes to the movie theatre once in a blue moon. / He eats candy only once in a blue moon.
Other Ways to Say: Rarely / Almost never
8. On the fence
Meaning: Unable to make up your mind about a decision.
For Example: Maya is on the fence about joining the soccer team or the choir. / He stayed on the fence about which game to play first.
Other Ways to Say: Undecided / In doubt
9. Catch some Zs
Meaning: To go to sleep or take a short nap.
For Example: After a long day at the park, it was time to catch some Zs. / I need to catch some Zs before school tomorrow.
Other Ways to Say: Go to sleep / Take a nap
10. Call it a day
Meaning: To stop working on something for the rest of the day.
For Example: We finished six pages of science and decided to call it a day. / The teacher told us to call it a day after cleaning up.
Other Ways to Say: Finish up / Stop working
11. Over the moon
Meaning: Extremely happy and thrilled about something good.
For Example: Ella was over the moon when she got a puppy for her birthday. / The team was over the moon after winning the championship.
Other Ways to Say: Super happy / Excited
12. Cold feet
Meaning: Feeling nervous right before doing something important.
For Example: Ben got cold feet before standing up to give his speech. / Do not get cold feet right before your turn on stage.
Other Ways to Say: Nervous / Scared
13. Back to square one
Meaning: Having to start all over again from the beginning.
For Example: The wind blew down our block tower, so we were back to square one. / If this science project fails, we go back to square one.
Other Ways to Say: Start over / Begin again
14. Cost an arm and a leg
Meaning: Something that is very expensive.
For Example: The new video game console costs an arm and a leg. / Brand new sneakers can cost an arm and a leg.
Other Ways to Say: Very expensive / Pricy
15. In the same boat
Meaning: Facing the exact same situation or problem as other people.
For Example: None of us finished the project, so we are all in the same boat. / We are in the same boat when it comes to studying for the test.
Other Ways to Say: Facing the same problem / In the same situation
16. Barking up the wrong tree
Meaning: Looking in the wrong place or accusing the wrong person.
For Example: If you think I took your pencil, you are barking up the wrong tree. / The detective was barking up the wrong tree during the search.
Other Ways to Say: Looking in the wrong place / Blaming the wrong person
17. Beat around the bush
Meaning: Avoiding talking about the main point or topic directly.
For Example: Stop beating around the bush and tell me what happened to my book. / He beat around the bush instead of answering the question.
Other Ways to Say: Avoid the topic / Hesitate
18. Miss the boat
Meaning: Missing an opportunity or chance to do something.
For Example: If you do not sign up for the trip today, you will miss the boat. / He missed the boat on getting tickets for the concert.
Other Ways to Say: Lose a chance / Miss out
19. Pull someone’s leg
Meaning: Teasing someone by telling them a harmless lie as a joke.
For Example: Don’t worry, I was just pulling your leg when I said school was cancelled. / He loves to pull his sister’s leg about her favourite band.
Other Ways to Say: Joke around / Tease
20. Through thick and thin
Meaning: Staying loyal and supportive through both good and bad times.
For Example: Best friends stick together through thick and thin. / My dog has stayed by my side through thick and thin.
Other Ways to Say: No matter what / Always
21. See eye to eye
Meaning: Agreeing fully with someone about a topic or idea.
For Example: My brother and I rarely see eye to eye on what movie to watch. / They finally saw eye to eye on the project topic.
Other Ways to Say: Agree completely / Be in agreement
22. Rule of thumb
Meaning: A general practical guide or basic principle that usually works.
For Example: As a general rule of thumb, wash your hands before eating lunch. / A good rule of thumb is to pack your backpack the night before.
Other Ways to Say: General guide / Basic guideline
23. Add insult to injury
Meaning: Making a bad situation even worse than it already was.
For Example: Losing his lunchbox was bad, but adding insult to injury, it started to rain. / She dropped her ice cream and to add insult to injury, stepped in it.
Other Ways to Say: Make things worse / Hurt even more
24. Out of the blue
Meaning: Happening suddenly without any warning at all.
For Example: Out of the blue, a loud flash of thunder shook the house. / She got an invitation to the party completely out of the blue.
Other Ways to Say: Unexpectedly / All of a sudden
25. Burn the midnight oil
Meaning: Staying up very late at night to study or work.
For Example: She had to burn the midnight oil to complete her poster board. / He burned the midnight oil reading his favourite adventure book.
Other Ways to Say: Stay up late / Work late
26. Jump on the bandwagon
Meaning: Joining an activity or trend because it has become popular.
For Example: Everyone jumped on the bandwagon and started collecting the new cards. / She did not want to jump on the bandwagon just to fit in.
Other Ways to Say: Follow the trend / Join in
27. On cloud nine
Meaning: Feeling extremely happy, joyful, and excited.
For Example: Noah was on cloud nine after making the winning shot. / She was on cloud nine when she found out she won the contest.
Other Ways to Say: Overjoyed / Delighted
28. Play it by ear
Meaning: Deciding what to do step by step instead of making a fixed plan.
For Example: We do not have a schedule for Saturday, so we will play it by ear. / Let us play it by ear and see if it rains first.
Other Ways to Say: Improvise / Decide later
29. Keep an eye on
Meaning: Watching someone or something carefully to ensure safety or good behaviour.
For Example: Please keep an eye on your little brother at the playground. / I kept an eye on my puppy while he played in the yard.
Other Ways to Say: Watch over / Look after
30. Head in the clouds
Meaning: Being daydreamy and not paying attention to what is happening around you.
For Example: Luke has his head in the clouds during morning math class. / Stop having your head in the clouds and focus on your work.
Other Ways to Say: Daydreaming / Absent-minded
31. Turn over a new leaf
Meaning: Making a fresh start and deciding to behave or work better.
For Example: After receiving his report card, David decided to turn over a new leaf. / She turned over a new leaf by keeping her bedroom neat.
Other Ways to Say: Make a fresh start / Improve
32. Spill the tea
Meaning: Sharing interesting gossip or news with friends.
For Example: Sit down at lunch and spill the tea about what happened at practice. / She could not wait to spill the tea with her best friend.
Other Ways to Say: Share the news / Tell the story
33. Butter someone up
Meaning: Being extra nice to someone because you want a favour from them.
For Example: He tried to butter up his parents so they would let him stay up late. / Do not try to butter me up just to borrow my scooter.
Other Ways to Say: Flatter / Be extra nice
34. Hold your horses
Meaning: Telling someone to slow down, be patient, or wait a minute.
For Example: Hold your horses, we have to wait for everyone before opening gifts. / The coach told us to hold our horses until the whistle blew.
Other Ways to Say: Be patient / Wait a moment
35. At the drop of a hat
Meaning: Doing something right away without any delay or hesitation.
For Example: She is ready to go to the park at the drop of a hat. / He will drop his video game at the drop of a hat for pizza.
Other Ways to Say: Instantly / Without delay
36. Straight from the horse’s mouth
Meaning: Hearing information directly from the person who knows it firsthand.
For Example: I know the test is postponed because I heard it straight from the horse’s mouth. / She got the news straight from the horse’s mouth when the principal spoke.
Other Ways to Say: Direct source / From the main person
37. Best of both worlds
Meaning: Having all the benefits from two different options at the same time.
For Example: Living near the park and the school gives us the best of both worlds. / Online and in-person learning gave her the best of both worlds.
Other Ways to Say: Perfect situation / Ideal combination
38. Off the hook
Meaning: Being freed from a duty, blame, or difficult situation.
For Example: Since the chore was already done, he was off the hook for the night. / She got off the hook when her friend admitted to making the mess.
Other Ways to Say: Free from blame / Let go
39. Let sleeping dogs lie
Meaning: Leaving a situation alone so you do not cause new trouble.
For Example: They decided not to mention the argument again and let sleeping dogs lie. / It is better to let sleeping dogs lie than start another fight.
Other Ways to Say: Avoid trouble / Leave it alone
40. Make a long story short
Meaning: Summing up a long event quickly without adding every detail.
For Example: To make a long story short, we lost our ball in the neighbour’s yard. / Make a long story short and tell us who won the game.
Other Ways to Say: Briefly put / In summary
41. Put all your eggs in one basket
Meaning: Depending completely on one single plan or idea to succeed.
For Example: You should apply to several clubs instead of putting all your eggs in one basket. / Putting all your eggs in one basket can be risky if it fails.
Other Ways to Say: Risk everything / Depend on one thing
42. Steal someone’s thunder
Meaning: Taking attention or praise away from someone else’s achievement.
For Example: She stole his thunder by announcing her news right before his turn. / Do not steal her thunder on her special day.
Other Ways to Say: Take the praise / Grab the spotlight
43. Take it with a grain of salt
Meaning: Listening to information with some doubt because it might not be fully true.
For Example: You should take that rumour with a grain of salt until you check facts. / I took his wild story with a grain of salt.
Other Ways to Say: Be skeptical / Doubt it
44. Up in the air
Meaning: An idea or plan that is still uncertain and not settled yet.
For Example: Our plans for the weekend trip are still up in the air due to rain. / The final location for class movie night is up in the air.
Other Ways to Say: Uncertain / Not decided
45. Wrap your head around
Meaning: Understanding or accepting a complicated idea or event.
For Example: It took me a while to wrap my head around the difficult math problem. / She could not wrap her head around how big the planet Jupiter is.
Other Ways to Say: Understand / Figure out
46. Walking on eggshells
Meaning: Being extremely careful around someone so you do not upset them.
For Example: Everyone was walking on eggshells around the teacher when he was tired. / We felt like we were walking on eggshells after breaking the vase.
Other Ways to Say: Be super careful / Act cautiously
47. Zip your lip
Meaning: Keeping quiet and keeping a secret without saying a word.
For Example: Zip your lip so we do not spoil the surprise party. / The teacher asked the noisy line to zip their lips.
Other Ways to Say: Be quiet / Stay silent
48. Hit the nail on the head
Meaning: Saying or doing the exact right thing or finding the precise answer.
For Example: You hit the nail on the head when you solved that riddle. / Her answer on the history question hit the nail on the head.
Other Ways to Say: Exactly right / Spot on
49. Burn bridges
Meaning: Doing something that permanently ruins a friendship or relationship.
For Example: Try to leave your old sports team nicely so you do not burn bridges. / Quitting in anger will only burn bridges with your group.
Other Ways to Say: Destroy relationships / Cut ties
50. In a nutshell
Meaning: Describing something in very few clear words.
For Example: In a nutshell, our team played great defence and won the match. / That is the entire plot of the book in a nutshell.
Other Ways to Say: Simply stated / In brief
51. Bite the bullet
Meaning: Facing a difficult task or situation with courage and getting it done.
For Example: I had to bite the bullet and clean my messy room before playing outside. / She bit the bullet and visited the dentist for her filling.
Other Ways to Say: Face it / Deal with it
52. On top of the world
Meaning: Feeling extremely happy, successful, and confident.
For Example: After scoring the winning goal, he felt on top of the world. / She was on top of the world when her art project won first place.
Other Ways to Say: Thrilled / Extremely happy
53. Go the extra mile
Meaning: Putting in extra effort beyond what is normally expected.
For Example: My teacher always goes the extra mile to help us understand science. / She went the extra mile by adding drawings to her book report.
Other Ways to Say: Work harder / Do extra
54. Keep your chin up
Meaning: Staying hopeful and positive even when things are going wrong.
For Example: Keep your chin up even though we lost the first game of the season. / Her mom told her to keep her chin up after a tough day.
Other Ways to Say: Stay positive / Be hopeful
55. Light at the end of the tunnel
Meaning: A sign that a long or difficult task is almost finished.
For Example: Finishing the last chapter means there is light at the end of the tunnel. / We saw light at the end of the tunnel after hours of chores.
Other Ways to Say: Hopeful sign / End in sight
56. Raining cats and dogs
Meaning: Raining extremely hard outside.
For Example: We had to stay inside for recess because it was raining cats and dogs. / Put on your raincoat since it is raining cats and dogs today.
Other Ways to Say: Pouring rain / Heavy rainfall
57. Throw in the towel
Meaning: Giving up on a game, project, or task completely.
For Example: Even when the puzzle got tricky, we refused to throw in the towel. / He was tired but decided not to throw in the towel yet.
Other Ways to Say: Give up / Quit
58. Under lock and key
Meaning: Kept safely locked away so no one can reach or take it.
For Example: The exam papers were kept safely under lock and key in the office. / Her diary is kept under lock and key inside her drawer.
Other Ways to Say: Locked away / Stored safely
59. Word of mouth
Meaning: Passing news or recommendations from person to person by talking.
For Example: We learned about the cool new ice cream shop through word of mouth. / News about the school fair spread quickly by word of mouth.
Other Ways to Say: Spoken news / Person to person
60. You can’t judge a book by its cover
Meaning: You should not form an opinion about someone or something based only on appearance.
For Example: The old house looked messy outside, but you can’t judge a book by its cover. / He looked quiet, but you can’t judge a book by its cover because he loves jokes.
Other Ways to Say: Look deeper / Don’t judge by appearances
Exercise to Practice
- The math homework was so simple that it was a ________ for the whole class.
- After playing soccer in the sun all afternoon, it was time to ________ before dinner.
- Don’t worry about the big test, just stay calm and ________!
- Sarah was feeling a bit ________ so she decided to rest on the couch.
- Our class only gets to go on a field trip ________ during the school year.
- He did not know which game to choose and stayed ________ for a long time.
- Please do not ________ about the surprise gift we bought for Dad.
- We were all ________ when our teacher announced we won the pizza party.
- Maya got ________ right before her piano solo and felt her hands shake.
- The heavy storm knocked over our tent, so we were ________ with building it.
- Buying that brand-new video game console is going to ________.
- Since we both forgot our lunch bags today, we are all ________.
- If you think I took your missing notebook, you are ________.
- It is best to stay loyal to your friends ________.
- I knew about the change in practice time because I heard it ________.
Answer Key
- piece of cake
- catch some zs
- break a leg
- under the weather
- once in a blue moon
- on the fence
- spill the beans
- over the moon
- cold feet
- back to square one
- cost an arm and a leg
- in the same boat
- barking up the wrong tree
- through thick and thin
- straight from the horse’s mouth
Conclusion
Learning new idioms helps ten-year-olds express themselves in fun and creative ways every day. Understanding these phrases makes reading, writing, and talking with friends much more enjoyable.
Try using a few of these expressions when you speak to your classmates, teachers, or family today. Practice makes perfect, and soon using these idioms will feel completely natural!
