干嘛 gànmá why on earth Origin Definitions Defs Strokes Stroke Words Sentences Sents 干 幹 gàn verb to do to do; to work; to be engaged in; to hold a post; to fight; to go at it嘛 má adverbverb what (Colloquial) Used as an interrogative word meaning "what", particularly in the common phrase 干嘛 gànmá.