灰 hui1 灰
飞 fei1 飛
烟 yan1 煙
灭 mie4 滅
  1. lit. scattered ashes and dispersed smoke (idiom)
  2. fig. to be annihilated
  3. to vanish in a puff of smoke

Examples

我的梦想灰飞烟灭了。

Info