天上下刀子 tiānshàngxiàdāozi even if the sky crumbles Origin Definitions Defs Strokes Stroke Words Sentences Sents 天上 tiānshàng noun sky the sky; the heavens下刀子 xiàdāozi to rain knives To rain knives; used figuratively to describe extremely difficult or dangerous weather conditions or situations where one will proceed regardless of any obstacle.