# the ball is in your court ~에게로 공이 넘어가다[~가 일을 처리해야 할 차례가 되다]
it is up to you to make the next move.
When is comes to sports, the ball is in your court for self esteem
# you can't have your cake and eat it too. 두개 다 가질 순 없어
- A : He works so hard to pay for that fancy house of his that he never has any time to stay home and enjoy it.
B : Yeah, you can't have your cake and eat it too.
# an elephant in the room 너무 무거운 주제라서 다들 피하는 것
A problem or difficult issue that is very obvious, but is ignored for the convenience or comfort of those involved.
# dont beat the dead horse 끝난얘기야. 그만해 헛수고야.
continue a particular endeavor is a waste of time as the outcome is already decided.
# leave no stone unturned
try every possible course of action in order to achieve something