Ball is in your court
轮到你了，现在由你来做决定或采取行动。
用于催促对方做出回应或决定。
英文释义
It is up to you to make the next step.
例句
I've explained everything; the ball is in your court to choose.
典故来源
源自网球运动，球落在对方场地时需对方回击，比喻决策权转移。