勾当 Traditional form: 勾當 Pinyin (reading): gòudàng Definitions: shady business Characters: 勾 - to hook, to join, to connect; to entice 当 - appropriate, timely; to act, to serve; the sound of bells Traditional characters: 勾 - to hook, to join, to connect; to entice 當 - appropriate, timely; to act, to serve; the sound of bells