Idioms:

1. Caught between two stools: When someone finds it difficult to choose between two alternatives. 

2. Costs an arm and a leg: This idiom is used when something is very expensive.

3.Cross that bridge when you come to it: Deal with a problem if and when it becomes necessary, not before.

4. Cry over spilt milk: When you complain about a loss from the past.

5. Curiosity killed the cat: Being Inquisitive can lead you into an unpleasant situation.

6. Cut corners: When something is done badly to save money.

7. Cut the mustard: To succeed; to come up to expectations; adequate enough to compete or participate.

8. Devil’s Advocate: To present a counter argument.
9. Don’t count your chickens before the eggs have hatched: Don’t make plans for something that might not happen.

10. Don’t give up the day job: You are not very good at something. You could definitely not do it professionally.

11. Don’t put all your eggs in one basket: Do not put all your resources in one possibility.

12. Drastic times call for drastic measures: When you are extremely desperate you need to take drastic actions.

13. Elvis has left the building: The show has come to an end. It’s all over.

14. Every cloud has a silver lining: Be optimistic, even difficult times will lead to better days.

15. Far cry from: Very different from.