shape up or ship out
要么改變狀況,要么離開
口語·警告改進否則離開
英文釋義
to improve one's behavior or performance, or else face the consequence of being forced to leave or be dismissed
例句
The coach told the team: shape up or ship out if you can't follow the rules.
典故來源
源自20世紀美國海軍用語,要求士兵改進表現(shape up)否則被遣送離隊(ship out)。