The ball is in your court means it is now your turn to decide or act. Now the ball is in your court, tell him the ball is in your court.
It hands responsibility over politely, and often ends a letter or a negotiation. The picture is from tennis, where nothing happens until you return the ball.
1phrasethe ball is in your courtIt is now your turn to decide or act.
“We have made our offer, so the ball is in your court.”
the ball is in your court is a phrase.
Also accepted in games: ball is in your court
Practised in Idioms