every man for himself
各自为政，自己享受或保护自己
口语·表示自顾不暇、各自保命
英文释义
Each person must prioritize their own interests and look out for themselves, especially in a difficult or dangerous situation.
例句
When the fire alarm went off, it was every man for himself in the crowded room.
典故来源
源自中世纪战争或灾难场景，强调在危急时刻每个人只顾自己生存，最早见于16世纪文献。