Idioms are phrases whose meanings cannot be determined by the literal definition of the words. They are an essential part of natural English communication. Here are 10 common idioms that will help you sound more natural.

1. Break the ice

Meaning: To do or say something to relieve initial tension or awkwardness in a social situation.

2. Hit the books

Meaning: To study intensely, usually for an exam.

3. Cost an arm and a leg

Meaning: To be very expensive.

4. Under the weather

Meaning: Feeling sick or unwell.

5. Piece of cake

Meaning: Something very easy to do.

6. Once in a blue moon

Meaning: Very rarely.

7. To kill two birds with one stone

Meaning: To accomplish two tasks with a single action.

8. To cut corners

Meaning: To do something in the easiest or cheapest way, often sacrificing quality.

9. To be on cloud nine

Meaning: To be extremely happy.

10. To get the ball rolling

Meaning: To start something; to set something in motion.