your number is up
你的时间到了；你的命运即将结束
口语·指大限将至
英文释义
to be about to die or experience something negative or unfortunate
例句
When the boss saw the mistake, he knew his number was up—he was going to get fired.
典故来源
源自军事或赌博用语，'number'指代个人命运或死亡时刻，暗示厄运来临。