drop the ball
成語所屬單字ball
drop the ball — 慣用語
1. to make a careless mistake, especially by failing to do something you were respo
1.慣用語
釋義
出包；犯下疏失
to make a careless mistake, especially by failing to do something you were responsible for.
例句
Mei dropped the ball on the client report and missed the Friday deadline.
Sorry, I dropped the ball — I forgot to book the meeting room.