Read Edit View history 化为乌有 huàwéiwūyǒu vanish Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 化为乌有/化為烏有 · huàwéiwūyǒu · vanish 2026/03/04 化为乌有 / 化為烏有 huàwéiwūyǒu vanish to go up in smoke; to vanish 他的所有努力都化为乌有了。 idiom created sense Mar 4, 2026, 02:25 AM