flash in the pan
01
someone who experiences temporary success or achievement but ultimately fails to maintain it in the long term
idiom
informal
例
He was a flash in the pan in the music industry, with one hit song that quickly faded into obscurity.
02
一時的な成功, 長続きしない成功
a sudden but brief success that is not sustained
disapproving
idiom
例
The new tech startup seemed like a sure thing, but it turned out to be a flash in the pan. It went bankrupt within a year.
多くの人は、その歌手は一時的な成功にすぎないと思っていた。
