通宵 tōngxiāo HSK7 all night Origin Definitions Defs Strokes Stroke Words Sentences Sents 通宵达旦 tōngxiāodádàn all night long (idiom) From dusk until dawn; through the night until daybreak打通宵 dǎtōngxiāo to spend the whole night To stay up for the entire night doing something.