Read Edit View history 彻夜不眠 chèyèbùmián sleepless Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 彻夜不眠/ 徹夜不眠 chèyèbùmián sleepless to stay awake all night 他因为担心考试而彻夜不眠。 Edit Delete References Add reference No references for this word.