Idioms are special phrases where the words together have a different meaning than what they say individually. People use them to make their speaking and writing sound more colorful, interesting, and natural. In this article, you will learn fifty useful idioms that can help improve your vocabulary score in IELTS writing.
In this lesson, we’ll look at idioms that mean common ideas used in essays and reports. Let’s get started and explore some of these helpful expressions.
Idioms for IELTS Writing
1. Apple of my eye
Definition: Someone who is cherished above all others.
Used in a Sentence: She treated her vintage fountain pen like the apple of my eye during the exam. / My grandmother views her old garden as the apple of my eye.
Similar Expressions: Precious gem / Apple of one’s heart
2. Ball is in your court
Definition: It is up to you to make the next decision or step.
Used in a Sentence: The teacher gave us the feedback, so now the ball is in your court to revise the essay. / I finished my part of the project, meaning the ball is in your court.
Similar Expressions: Up to you / Your turn
3. Beat around the bush
Definition: To avoid talking about the main topic directly.
Used in a Sentence: When answering the essay prompt, do not beat around the bush and state your thesis clearly. / He always beats around the bush when asked about his study habits.
Similar Expressions: Avoid the issue / Dodge the point
4. Bite the bullet
Definition: To face a difficult situation with courage and get it over with.
Used in a Sentence: You just have to bite the bullet and practice writing essays every single day. / She decided to bite the bullet and take the challenging exam early.
Similar Expressions: Face the music / Tough it out
5. Blessing in disguise
Definition: Something that seems bad at first but turns out to be good later.
Used in a Sentence: Missing the bus was a blessing in disguise because it made me arrive just as the lecture started. / Failing that mock test was a blessing in disguise since it pushed me to study harder.
Similar Expressions: Hidden advantage / Silver lining
6. Break a leg
Definition: A way to wish someone good luck, especially before a performance or test.
Used in a Sentence: My friend told me to break a leg right before I walked into the IELTS testing center. / We whispered break a leg to each other before the speech contest.
Similar Expressions: Good luck / Best wishes
7. Burn the midnight oil
Definition: To work or study late into the night.
Used in a Sentence: Many students burn the midnight oil to prepare for their English proficiency tests. / I had to burn the midnight oil to finish my research paper on time.
Similar Expressions: Work late / Study overnight
8. Call it a day
Definition: To stop working on something for the rest of the day.
Used in a Sentence: After writing three practice essays, we decided to call it a day. / Let us call it a day and rest our minds before tomorrow’s lesson.
Similar Expressions: Stop working / Finish up
9. Caught between a rock and a hard place
Definition: To be in a difficult situation with two unpleasant choices.
Used in a Sentence: The complex essay prompt left the student caught between a rock and a hard place. / Choosing whether to rush or skip a section left me caught between a rock and a hard place.
Similar Expressions: In a dilemma / Between two fires
10. Cost an arm and a leg
Definition: To be extremely expensive.
Used in a Sentence: Preparing for overseas studies can cost an arm and a leg without a scholarship. / Buying those imported textbooks will cost an arm and a leg.
Similar Expressions: Very expensive / Pricey
11. Cry over spilled milk
Definition: To be upset about something that has already happened and cannot be changed.
Used in a Sentence: There is no use crying over spilled milk if you lost points on the previous exam. / She stopped crying over spilled milk and focused on the next writing task.
Similar Expressions: Regret the past / Worry needlessly
12. Cut corners
Definition: To do something poorly or cheaply to save time or money.
Used in a Sentence: You should never cut corners when preparing your main body paragraphs. / The builder cut corners and the wall started to crack.
Similar Expressions: Take shortcuts / Do a rushed job
13. Cut through the red tape
Definition: To deal with official rules and bureaucracy quickly.
Used in a Sentence: The university helped students cut through the red tape for their visa applications. / We need to cut through the red tape to get this approval faster.
Similar Expressions: Bypass bureaucracy / Speed up rules
14. Actions speak louder than words
Definition: What you do is more important than what you say.
Used in a Sentence: In your essay conclusion, remember that actions speak louder than words. / He promised to help, but actions speak louder than words.
Similar Expressions: Deeds over words / Behavior matters most
15. Add insult to injury
Definition: To make a bad situation even worse.
Used in a Sentence: Missing the train and then getting caught in the rain added insult to injury. / Losing my notes and then spilling water on my desk added insult to injury.
Similar Expressions: Worsen matters / Rub salt in a wound
16. Back to the drawing board
Definition: To start planning something over again because the first attempt failed.
Used in a Sentence: When my essay outline was rejected, it was back to the drawing board for me. / The experiment did not work, so it is back to the drawing board.
Similar Expressions: Start fresh / Replan from scratch
17. Barking up the wrong tree
Definition: To be pursuing a mistaken line of thought or action.
Used in a Sentence: If you think memorizing random essays is enough, you are barking up the wrong tree. / The detective realized he was barking up the wrong tree.
Similar Expressions: Look in the wrong place / Make a false assumption
18. Beat around the clock
Definition: To work continuously without stopping.
Used in a Sentence: The volunteers worked round the clock to clean the community center. / We had to stay alert round the clock during the camp.
Similar Expressions: Nonstop work / Continuous effort
19. Best of both worlds
Definition: All the advantages of two different situations at once.
Used in a Sentence: Studying online and attending weekend clubs gives you the best of both worlds. / Living near the city and the park offers the best of both worlds.
Similar Expressions: Ideal situation / Dual benefits
20. Bite your tongue
Definition: To stop yourself from saying something.
Used in a Sentence: I had to bite my tongue during the debate to let others speak. / She wanted to interrupt, but she bit her tongue instead.
Similar Expressions: Keep quiet / Stay silent
21. Blessing in the sky
Definition: An unexpected lucky event that helps you out.
Used in a Sentence: Finding that lost dictionary was a true blessing in the sky. / Getting an extra day off felt like a blessing in the sky.
Similar Expressions: Lucky break / Fortunate turn
22. Break the ice
Definition: To make people feel more comfortable in a social setting.
Used in a Sentence: The teacher told a funny joke to break the ice before the workshop. / Group games help break the ice on the first day of school.
Similar Expressions: Ease tension / Start conversation
23. Bring something to the table
Definition: To provide a useful skill or benefit to a group or task.
Used in a Sentence: Every member brings unique ideas to the table during our study group. / Experience in writing brings a lot to the table for this project.
Similar Expressions: Contribute value / Offer skills
24. Burn the candle at both ends
Definition: To exhaust yourself by working too much and sleeping too little.
Used in a Sentence: Students often burn the candle at both ends before final exams. / Do not burn the candle at both ends or you will get sick.
Similar Expressions: Overwork yourself / Tire out
25. By the skin of your teeth
Definition: Barely managing to succeed or escape a difficult situation.
Used in a Sentence: I passed the difficult quiz by the skin of my teeth. / The bus left right as we arrived by the skin of our teeth.
Similar Expressions: Barely make it / Narrowly escape
26. Calm before the storm
Definition: A quiet period before a difficult or busy time begins.
Used in a Sentence: The quiet morning in the library felt like the calm before the storm of exams. / We enjoyed the calm before the storm before soccer practice started.
Similar Expressions: Quiet pause / Peaceful prelude
27. Chase rainbows
Definition: To try to achieve something impossible or unrealistic.
Used in a Sentence: Trying to memorize every word in the dictionary is like chasing rainbows. / Do not spend your time chasing rainbows when you have real goals.
Similar Expressions: Pursue illusions / Aim too high
28. Chip on your shoulder
Definition: Being easily angered because you feel you have been treated unfairly.
Used in a Sentence: He always acts like he has a chip on his shoulder during team sports. / Try not to walk around with a chip on your shoulder after losing a match.
Similar Expressions: Hold a grudge / Feel slighted
29. Come rain or shine
Definition: No matter what happens or what the weather is like.
Used in a Sentence: We practice our basketball drills come rain or shine. / She shows up to her piano lessons come rain or shine.
Similar Expressions: No matter what / Without fail
30. Couch potato
Definition: A person who spends a lot of time sitting and watching television.
Used in a Sentence: On weekends, he turns into a couch potato watching movies. / We tried to get the couch potato outside for a short walk.
Similar Expressions: Lazy person / Inactive viewer
31. Cut it close
Definition: To leave very little time or margin for error.
Used in a Sentence: We cut it close by arriving just two minutes before the bell rang. / Do not cut it close when submitting your online homework.
Similar Expressions: Cutting it fine / Barely on time
32. Dark horse
Definition: A candidate or competitor who wins unexpectedly.
Used in a Sentence: The quiet student became a dark horse in the school spelling contest. / Our team was the dark horse of the tournament.
Similar Expressions: Surprise winner / Hidden contender
33. Devil is in the detail
Definition: Details are important and can cause hidden problems if ignored.
Used in a Sentence: When writing a formal essay, remember the devil is in the detail of your grammar. / Check your math answers because the devil is in the detail.
Similar Expressions: Details matter / Hidden flaws
34. Dime a dozen
Definition: Something that is very common and of little special value.
Used in a Sentence: Cheap plastic pens are a dime a dozen at the stationery shop. / Good ideas are a dime a dozen, but hard work is rare.
Similar Expressions: Very common / Plentiful
35. Dog-eat-dog world
Definition: A fierce and competitive environment where people will do anything to succeed.
Used in a Sentence: Global business can feel like a dog-eat-dog world at times. / Modern academic admissions can be a dog-eat-dog world.
Similar Expressions: Fierce competition / Ruthless environment
36. Don’t count your chickens before they hatch
Definition: Do not assume success until it has actually happened.
Used in a Sentence: You passed the first test, but do not count your chickens before they hatch. / Wait for the final results and do not count your chickens before they hatch.
Similar Expressions: Be patient / Wait for certainty
37. Down to earth
Definition: Practical, realistic, and friendly.
Used in a Sentence: Despite winning the award, she remained very down to earth. / Our new teacher is very down to earth and easy to talk to.
Similar Expressions: Humble / Realistic
38. Drop in the bucket
Definition: A very small amount compared to what is needed.
Used in a Sentence: Saving ten dollars is a drop in the bucket for buying a new laptop. / My single essay is just a drop in the bucket of my studies.
Similar Expressions: Tiny amount / Insignificant portion
39. Easier said than done
Definition: Something that sounds easy to do but is actually very difficult.
Used in a Sentence: Getting an elite score on an English test is easier said than done. / Remembering all these rules sounds easier said than done.
Similar Expressions: Very hard task / Challenging goal
40. Elephant in the room
Definition: An obvious problem or difficult truth that no one wants to talk about.
Used in a Sentence: Everyone ignored the elephant in the room regarding the budget cuts. / We addressed the elephant in the room during our group meeting.
Similar Expressions: Obvious issue / Avoided topic
41. Every cloud has a silver lining
Definition: Every difficult situation has some comforting or positive aspect to it.
Used in a Sentence: Remember that every cloud has a silver lining when things go wrong. / Even after the storm, we knew every cloud has a silver lining.
Similar Expressions: Hopeful outlook / Positive aspect
42. Fall by the wayside
Definition: To be abandoned or neglected over time.
Used in a Sentence: His goal of reading books fell by the wayside during exam season. / Old hobbies can easily fall by the wayside when school gets busy.
Similar Expressions: Get abandoned / Be forgotten
43. Far cry from
Definition: Very different from something.
Used in a Sentence: High school writing is a far cry from middle school paragraphs. / This quiet town is a far cry from the loud city.
Similar Expressions: Completely different / Unlike
44. Feel under the weather
Definition: To feel slightly sick or unwell.
Used in a Sentence: I felt a bit under the weather yesterday and stayed in bed. / She came to school even though she felt under the weather.
Similar Expressions: Feel sick / Unwell
45. Fish out of water
Definition: Someone who feels uncomfortable in an unfamiliar situation.
Used in a Sentence: I felt like a fish out of water at the advanced science seminar. / The new transfer student looked like a fish out of water at first.
Similar Expressions: Out of place / Uncomfortable
46. Flash in the pan
Definition: Something that happens only once and is not repeated or lasting.
Used in a Sentence: His high grade on one quiz was just a flash in the pan. / We want long-term success, not a flash in the pan.
Similar Expressions: Temporary success / Short-lived hit
47. Follow your nose
Definition: To trust your instincts or go straight ahead.
Used in a Sentence: When you are lost in the museum, just follow your nose to the exit. / Trust your preparation and follow your nose on the test.
Similar Expressions: Trust instincts / Go straight
48. Food for thought
Definition: Something that makes you think deeply or carefully.
Used in a Sentence: The documentary gave us plenty of food for thought on environmental issues. / That lecture on essay structure was great food for thought.
Similar Expressions: Stimulating idea / Reflection point
49. Give someone the benefit of the doubt
Definition: To believe someone is honest or innocent without proof.
Used in a Sentence: We decided to give him the benefit of the doubt about missing his assignment. / She gave her teammate the benefit of the doubt.
Similar Expressions: Trust someone / Assume good intent
50. Go the extra mile
Definition: To make more effort than is expected of you.
Used in a Sentence: The teacher went the extra mile to help us understand difficult grammar. / You need to go the extra mile to get top marks.
Similar Expressions: Do extra work / Put in maximum effort
Exercise to Practice
- The teacher told us not to beat around the bush and to state our main ideas directly in the essay.
- Buying a brand new laptop for everyday note-taking will cost an arm and a leg, so a used one is fine.
- Crying over spilled milk means you should worry intensely about every mistake you make on a test.
- When my original essay outline was rejected completely, it was time to go back to the drawing board.
- If you think that memorizing one sample paragraph guarantees a high score, you are barking up the right tree.
- Working round the clock means you take long relaxing breaks every single hour of the day.
- Finding a quiet corner in the busy library to study felt like a true blessing in disguise.
- Cutting corners on your bibliography and grammar checks is a great way to ensure top academic grades.
- Actions speak louder than words, meaning your actual essay performance matters more than your promises.
- A couch potato is someone who exercises vigorously at the gym every morning before sunrise.
- If you leave your essay drafting until midnight, you are really cutting it close before the deadline.
- The devil is in the detail, which shows why ignoring minor punctuation errors can lower your score.
- Good ideas for writing topics are a dime a dozen, but organizing them well takes real practice.
- Giving someone the benefit of the doubt means you automatically assume they are lying to you.
- Going the extra mile means you put in extra time and effort to make your writing exceptional.
Answer Key
- True
- True
- False
- True
- False
- False
- True
- False
- True
- False
- True
- True
- True
- False
- True
Conclusion
Learning idioms helps bring your English writing to life by making your vocabulary sound natural and engaging. Try using a few of these expressions in your next practice essay to see how much more expressive your writing becomes.
Frequently Asked Questions
What are some common idioms for IELTS writing?
Common idioms include expressions like beat around the bush, bite the bullet, and go the extra mile. These phrases help convey complex ideas clearly and naturally in academic contexts.
Why do we use idioms in English writing?
Idioms add color, personality, and depth to your sentences, showing an advanced understanding of the language. They make your writing more memorable for readers and examiners.
Can I use idioms in formal IELTS essays?
It is best to use common, widely accepted idioms rather than very informal slang in formal writing. Choosing appropriate idioms shows lexical resource without breaking the professional tone.
How many idioms should I memorize for the test?
Instead of memorizing hundreds, focus on mastering twenty to fifty versatile idioms that fit many common essay topics. Understanding how to use them correctly is much more important than quantity.
How can I practice using idioms properly?
Write short practice paragraphs using new idioms and have a teacher or peer check them. This helps ensure you are using the right words in the right context.







