I’ve done all I can to help; now the ball is in your court.

我已经尽力提供帮助；现在责任在于你。

You have all the information you need, so the ball is in your court.

你有所有需要的信息，所以责任在于你。

After presenting my proposal, I’ll wait for her response—the ball is in her court now.

在我提出建议后，我会等她的回复——责任现在在于她。

He’s ready to move forward, but the ball is in your court to give him the go-ahead.

他准备好继续，但责任在于你给他进一步的批准。

The committee has made their recommendations, and now the ball is in the management's court.

委员会已经提出建议，现在责任在于管理层。