Cut off your nose to spite your face
因一时愤怒或报复而采取自损行为，最终伤害自己超过对方。
用于警告或批评非理性的报复行为。
英文释义
Pursuing revenge in a way that would damage oneself more than the object of one's anger
例句
He quit his job to spite his boss, but he cut off his nose to spite his face.
典故来源
源自中世纪欧洲，原指自残行为，比喻因愤怒而做出愚蠢的自我伤害举动。