These idioms show up constantly in everyday conversation — in shows, casual chats, and messages between friends. Here they are, grouped by what they express.

Expressing excitement or happiness

  • over the moon — extremely happy. "She was over the moon about the news."
  • on cloud nine — extremely happy. "He's been on cloud nine since he got the job."
  • can't wait — very excited for something. "I can't wait for the weekend!"

Expressing difficulty

  • a piece of cake — very easy. "Don't worry, the test was a piece of cake."
  • break the ice — start a conversation comfortably. "He told a joke to break the ice."
  • bite off more than you can chew — take on too much. "I bit off more than I could chew with three projects at once."
  • hit the books — start studying seriously. "I need to hit the books before the exam."

Talking about time

  • once in a blue moon — very rarely. "We only meet once in a blue moon now."
  • in the nick of time — just before it's too late. "We arrived in the nick of time."
  • around the clock — all day and night. "The team worked around the clock to finish it."

Talking about money

  • break the bank — cost too much. "This won't break the bank — it's quite affordable."
  • save for a rainy day — save money for future difficulty. "I always save a little for a rainy day."
  • cost an arm and a leg — be very expensive. "That laptop cost an arm and a leg."

Talking about people

  • a good egg — a kind, reliable person. "Don't worry, he's a good egg."
  • on thin ice — in a risky situation, close to trouble. "He's on thin ice after being late three times."
  • the apple of someone's eye — someone's favourite person. "She's the apple of her grandfather's eye."
Common mistake: Idioms usually can't be translated word-for-word from your own language — "break the ice" doesn't literally involve ice. Learn the whole phrase as one unit, not word by word.

How to practise idioms

Pick three idioms above and use each one in a message to a friend this week. Using an idiom in a real conversation — even once — fixes it in memory far better than repeating a list.

Keep learning: browse more Idioms & Phrases notes or head back to the homepage to explore other subjects.