evanesced

The bygone days have been blew away as light smoke by the wind, evanesced as mist by the morning sun.

过去的日子如轻烟，被微风吹散了，如薄雾，被初阳蒸融了；我留着些什么痕迹呢？我何曾留着像游丝样的痕迹呢？