IELTS Idioms: Which Ones to Use (and Which to Avoid)

Mastering appropriate IELTS idioms is key to achieving a Band 7+ in Lexical Resource. Examiners look for natural and correct usage of less common vocabulary, particularly in Speaking Part 3 and Writing Task 2. This curated list gives you 25 well-chosen idioms and proverbs. You will learn which ones fit the formal academic tone of the exam, and which common phrases you should always avoid.

• Bite the bullet

  To face a difficult or unpleasant situation with courage and stoicism.

  We have to bite the bullet and tell them the bad news.

• By leaps and bounds

  Very quickly and significantly.

  The company's profits have grown by leaps and bounds this quarter.

• Call a Spade a Spade

  To speak plainly and directly, even if it means being blunt or saying something potentially unpleasant.

  I appreciate how my boss always calls a spade a spade; it makes communication very clear.

• Come hell or high water

  Regardless of any obstacles or extreme difficulties, a promised action will be performed or a goal will be achieved.

  I will finish this project by Friday, come hell or high water, no matter how many late nights it takes.

• Cut corners

  To do something in the easiest, cheapest, or fastest way, often by omitting important steps or reducing quality.

  The builder was accused of cutting corners to save money on the construction project.

• Every cloud has a silver lining

  Even difficult or unpleasant situations have some positive aspect.

  Losing my job was tough, but every cloud has a silver lining, and I found a role I truly love.

• Kill two birds with one stone

  To achieve two objectives or solve two problems with a single action or effort.

  By taking the express train, she could kill two birds with one stone: arrive at the meeting on time and finish her presentation during the commute.

• Look before you leap

  Consider the potential consequences carefully before taking action or making a significant decision.

  Before you quit your stable job to start a risky new business, you should really look before you leap and develop a solid financial plan.