out cold
完全昏迷、失去知覺或暈倒
口語(yǔ)·形容昏迷或熟睡
英文釋義
completely unconscious or deeply asleep
例句
He hit his head and was out cold for a few minutes.
典故來(lái)源
源自拳擊術(shù)語(yǔ),cold強(qiáng)調(diào)完全失去知覺的狀態(tài),類似被擊倒后毫無(wú)反應(yīng)。