every dog has its day
每个人都会有成功的时刻，不管他们目前处于什么困境或失败。
口语·表示风光不再、好景不长
英文释义
someone who has been successful or famous in the past but is no longer
例句
He used to be a famous actor, but every dog has its day — now he's forgotten.
典故来源
与"every dog has his day"同源，但此用法侧重指曾经辉煌的人如今已过气，强调盛衰无常。