乌飞兔走 wūfēitùzǒu time flies Definitions Defs Origin Strokes Stroke Words Sentences Sents 乌 烏 wū the sun (literary) the sun, based on the legend of the golden crow inhabiting it飞 飛 fēi verb to fly to fly or move through the air; to hover or flutter兔 tù noun rabbit rabbit; hare走 zǒu verb to run (literary) to run; to move fast