all hell broke loose
局势变得混乱或失控
口语·表示突然混乱或失控
英文释义
chaos or extreme disorder ensued
例句
When the fire alarm went off during the exam, all hell broke loose as students rushed for the exits.
典故来源
源自17世纪文学，'hell'象征混乱与毁灭，形容局面瞬间失控。