throw in the towel
认输、放弃或停止努力
口语·表达放弃或认输
英文释义
to give up or surrender; to admit defeat
例句
I've been trying to fix this car for hours, but I think I'll throw in the towel.
典故来源
源自拳击比赛，教练扔毛巾表示认输，现泛指放弃。