烟消云散 yānxiāoyúnsàn to vanish into thin air Origin Definitions Defs Strokes Stroke Words Sentences Sents 烟 煙 yān mist mist; vapor; any atmospheric haze resembling smoke消 xiāo verb to vanish to disappear; to vanish; to subside or gradually diminish until gone云散 雲散 yúnsàn to clear up for clouds and mist to disperse; to clear up