Read Edit View history 乌有 wūyǒu nonexistent Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乌有/烏有 · wūyǒu · nonexistent 2026/03/04 乌有 / 烏有 wūyǒu nonexistent (literary) to not exist; nonexistent; illusory 他们多年的努力全都化为乌有了。 created sense Mar 4, 2026, 02:25 AM