寸金难买寸光阴 cùnjīnnánmǎicùnguāngyīn time's value Origin Definitions Defs Strokes Stroke Words Sentences Sents 一寸光阴一寸金，寸金难买寸光阴 yīcùnguāngyīnyīcùnjīn, cùnjīnnánmǎicùnguāngyīn time is precious an interval of time is worth an ounce of gold and money cannot buy it back; used to emphasize that time is invaluable