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If you’re preparing for the IELTS Speaking test, you’ve probably heard that using idiomatic language can help you achieve a higher band score. However, many learners misunderstand how idioms should be used. Simply memorizing dozens of expressions isn’t enough—you need to know when and how to use them naturally.
Learning idioms for IELTS speaking with example sentences is one of the most effective ways to expand your vocabulary, sound more fluent, and demonstrate a wider range of English. Used appropriately, idioms show the examiner that you understand natural English and can communicate confidently.
In this article, you’ll learn 15 useful idioms for IELTS Speaking, complete with meanings, example sentences, and practical tips on using them effectively during the exam.

Why Idioms Matter in the IELTS Speaking Test
One of the assessment criteria for the IELTS Speaking test is Lexical Resource, which evaluates your vocabulary range and your ability to use words and expressions naturally.
Using idioms appropriately can help demonstrate:
- A wider vocabulary
- More natural speech
- Greater fluency
- Better communication skills
However, examiners are looking for natural usage, not memorized lists.
You can learn more about the IELTS Speaking assessment criteria at:
Tips for Using Idioms Naturally
Before learning specific idioms, remember these guidelines:
- Use only idioms you fully understand.
- Don’t force idioms into every answer.
- Choose expressions that fit the topic.
- Focus on fluency rather than memorization.
- Practice using idioms in everyday conversations.
Now let’s look at some of the most useful idioms for IELTS speaking with example sentences.
1. Break the Ice
Meaning: To start a conversation and make people feel comfortable.
Example:
“I was nervous at first, but playing a game helped break the ice.”
Perfect for topics about meeting new people or social situations.
2. Piece of Cake
Meaning: Very easy.
Example:
“Learning basic English grammar was a piece of cake compared to pronunciation.”
This idiom works well when discussing school, work, or hobbies.
3. Hit the Books
Meaning: To study hard.
Example:
“I’ve been hitting the books every evening to prepare for my IELTS exam.”
An excellent expression for education-related questions.
4. Once in a Blue Moon
Meaning: Very rarely.
Example:
“I only eat fast food once in a blue moon.”
Useful for lifestyle, food, and free-time topics.
5. Under the Weather
Meaning: Feeling slightly sick.
Example:
“I stayed home yesterday because I was feeling under the weather.”
A good idiom for health-related questions.
6. Cost an Arm and a Leg
Meaning: Very expensive.
Example:
“My new laptop cost an arm and a leg, but it’s worth it.”
Useful for shopping, technology, and travel topics.
7. On Cloud Nine
Meaning: Extremely happy.
Example:
“I was on cloud nine when I received my university acceptance letter.”
Works well when describing achievements or happy memories.
8. Burn the Midnight Oil
Meaning: Stay up late working or studying.
Example:
“I burned the midnight oil before my final exams.”
Ideal for questions about education or work.
9. Get the Ball Rolling
Meaning: To begin something.
Example:
“I decided to get the ball rolling by joining an English conversation club.”
Useful for discussing goals or personal development.
10. In the Same Boat
Meaning: Sharing the same situation or problem.
Example:
“Many IELTS students are in the same boat when preparing for the speaking test.”
Great for discussions about challenges or experiences.
11. Bite Off More Than You Can Chew
Meaning: Take on more responsibility than you can handle.
Example:
“I signed up for too many courses and realized I’d bitten off more than I could chew.”
Useful for education and work topics.
12. A Breath of Fresh Air
Meaning: Something refreshing or different.
Example:
“My trip to the countryside was a breath of fresh air after months of studying.”
Perfect for travel and lifestyle discussions.
13. The Best of Both Worlds
Meaning: Enjoying the advantages of two different situations.
Example:
“Working online allows me to travel, so I get the best of both worlds.”
This idiom is useful for work-life balance and technology topics.
14. Keep an Eye On
Meaning: Watch carefully.
Example:
“My parents always keep an eye on my younger brother.”
Useful in family and daily life conversations.
15. Learn the Ropes
Meaning: Learn how something works.
Example:
“It took me several weeks to learn the ropes at my new job.”
An excellent idiom for work, study, and new experiences.
Common IELTS Speaking Topics Where Idioms Work Well
Certain IELTS Speaking topics naturally lend themselves to idiomatic language.
These include:
Education
Examples:
- Hit the books
- Burn the midnight oil
- Learn the ropes
Work
Examples:
- Get the ball rolling
- The best of both worlds
- Bite off more than you can chew
Travel
Examples:
- A breath of fresh air
- On cloud nine
Family and Friends
Examples:
- Break the ice
- Keep an eye on
- In the same boat
Lifestyle
Examples:
- Once in a blue moon
- Piece of cake
- Under the weather
Using topic-specific idioms makes your answers sound more authentic.
Common Mistakes IELTS Students Make
Many candidates lose marks by using idioms incorrectly.
Avoid these common mistakes:
Memorizing Without Understanding
Examiners can usually tell when an idiom has been memorized without understanding its meaning.
Using Too Many Idioms
Quality is more important than quantity.
One or two natural idioms during the test are much more effective than forcing an idiom into every answer.
Incorrect Grammar
Even familiar idioms should be used with correct grammar.
Practice complete sentences rather than memorizing isolated expressions.
How to Practice Idioms Effectively
To improve your IELTS Speaking score, practice idioms in realistic situations.
You can:
- Record yourself answering IELTS questions.
- Practice with a speaking partner.
- Keep an idiom notebook.
- Watch English interviews and podcasts.
- Use new idioms in daily conversations.
The more naturally you use them, the more confident you’ll become.
Helpful Resources for IELTS Speaking
If you’re serious about improving your IELTS Speaking score, these websites provide excellent resources:
These websites offer sample speaking questions, vocabulary lessons, pronunciation practice, and preparation tips.
Final Tips for Idioms and IELTS Speaking
Learning idioms for IELTS speaking with example sentences is an excellent way to improve your fluency, expand your vocabulary, and sound more like a natural English speaker. However, remember that success on the IELTS Speaking test isn’t about using the most idioms—it’s about using them correctly and naturally.
Focus on learning a small number of useful expressions, understand their meanings, and practice them regularly in complete sentences. Over time, these idioms will become part of your everyday English, helping you communicate more confidently not only during the IELTS exam but also in real-life conversations.
With consistent practice and natural usage, you’ll be well on your way to achieving a higher IELTS Speaking band score.
ESL Idioms and Worksheets for Students

