ball is in someone's court
Theme: PLAY
phr. to be someone else's move, play, or turn. (Always with the.)The ball's in your court now. You do something.I can't do anything as long as the ball is in John's court.
Idiom
ball is in someone's courtthe ball is in (someone's) court
if the ball is in someone's court, they have to do something before any progress can be made in a situation.I've told him he can have his job back if he apologizes. The ball's in his court now.