a flash in the pan (啊 弗莱什 因 得 潘)

Idiom Peace

含义

something that seems promising at first but fails to deliver

一开始看起来有希望但最终失败的东西 (yi kaishi kan qilai you xiwang dan zuizhong shibai de dongxi)

例句

"The peace talks were just a flash in the pan."

"和平谈判只是昙花一现。" (heping tanpan zhishi tanhua yixian)