Here are a few idioms and how to say them in Engpsh:

"Break a leg" - This means "good luck" and is often said to performers before they go on stage.

"Bite the bullet" - This means to endure something difficult or unpleasant.

"Cost an arm and a leg" - This means something is very expensive.

"Hit the nail on the head" - This means to do or say something exactly right or accurate.

"A piece of cake" - This means something is very easy to do.

"Hit the hay" - This means to go to bed.

"On the same page" - This means to be in agreement with someone or to understand something in the same way.

"Pull someone's leg" - This means to tease or joke with someone in a playful way.

"The ball is in your court" - This means it is someone's turn or responsibipty to do something.

"Up in the air" - This means something is uncertain or unresolved.