蒙汗药 ménghànyào knockout drops Origin Definitions Defs Strokes Stroke Words Sentences Sents 蒙 mēng unconscious To be dazed, stunned, or knocked unconscious; to be confused or muddled.汗 hàn noun sweat sweat; perspiration; to sweat药 藥 yào chemical substance (bound form) chemicals used for a specific purpose, such as explosives or anesthetics