Top 10 English Idioms You’ll Actually Use

17 October 2025
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10 Must-Know Idioms

  1. Break the ice — to start a conversation in a comfortable way.
  2. Piece of cake — something very easy.
  3. Hit the books — to start studying hard.
  4. Under the weather — feeling sick.
  5. Cost an arm and a leg — very expensive.
  6. Once in a blue moon — very rarely.
  7. Spill the beans — reveal a secret.
  8. Bite the bullet — face something difficult bravely.
  9. Call it a day — stop working for now.
  10. Cut corners — do something cheaply or quickly.

Use these idioms naturally in conversation — but don’t overdo it! The best way to learn them is to hear and use them in context.

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