中英成语俚语800对181：过眼云烟
过眼云烟
a flash in the pan.
ephemeral grandeur.
eg：the public's enthusiasm to the plan turned out to be a flash in the pan.
中英俚语俗语来源：苏轼·宝绘堂记：“譬之烟云之过眼，百鸟之感耳。”
同义词：昙花一现 sudden glory soon goes out