乌有先生 wūyǒuxiānsheng Mr. Nobody Definitions Defs Origin Strokes Stroke Words Sentences Sents 乌有 烏有 wūyǒu Mr. Wuyou a fictional character in Sima Xiangru's Han-dynasty piece 子虚赋 zǐxūfù, used to represent something nonexistent or imaginary先生 xiānsheng noun Mr. mister; Mr.; sir; a polite form of address for any man