give someone a bloody nose
给某人一个惨败，让某人吃亏，让某人受伤
口语·比喻挫败或伤害
英文释义
to defeat or physically harm someone in a confrontation
例句
The underdog team gave the champions a bloody nose in the first round.
典故来源
源自拳击或打斗中打伤对方鼻子，比喻在对抗中给予重创或挫败。