down and out
完全失败或贫穷无助的状态
口语·形容极度贫困或绝望的处境
英文释义
without any money, resources, or prospects; in a state of poverty or despair
例句
After losing his job and apartment, he was completely down and out, sleeping on the streets.
典故来源
源自拳击术语,指被击倒后无法在规定时间内站起来,引申为彻底失败或陷入绝境。