烟消云散的英语:disappear [vanish] in a flash; be lost in a cloud; disappear [vanish] as if by evaporating; end [go up] in smoke; melt into air; pass away like a cloud; vanished into the void; vanish into...
烟消云散的法语:s'en aller en fumée;s'évaporer(ou : se dissiper;s'évanouir) fumée