1. "Break a leg" -- means "good luck" or "perform well" especially in the context of theater or performing arts.

2. "Bite the bullet" -- means to endure a painful or difficult situation.

3. "Costs an arm and a leg" -- means something is very expensive.

4. "Cutting corners" -- means to take shortcuts in order to save time or money, often resulting in low-quality work.

5. "Don't judge a book by its cover" -- means


not to make assumptions


about someone or something based solely on appearance.

6. "The ball is in your court" -- means it is someone's turn to take action or make a decision.

7. "Hold your horses" -- means to wait or hold back impulsive behavior.

8. "Off the top of my head" -- means to say something without giving it much thought or consideration.

9. "Piece of cake" -- means something is very easy.

10. "Rain cats and dogs" -- means a heavy rainstorm.