宵旰 xiāogàn to work tirelessly Origin Definitions Defs Strokes Stroke Words Sentences Sents 宵 xiāo abbreviation of 宵衣 xiāoyī to dress before dawn (literary) to dress before daybreak; used to praise an emperor for being diligent in government affairs旰 gàn abbreviation of 旰食 gànshí to eat late to have a meal late in the day