勤恳 qínkěn diligent and conscientious Definitions Defs Origin Strokes Stroke Words Sentences Sents 勤 qín adjective diligent diligent; industrious; hardworking; doing one's best without being lazy恳 懇 kěn adjective sincere (bound form) sincere; earnest; such as in 诚恳 chéngkěn or 恳切 kěnqiè
