flash in the pan
01
someone who experiences temporary success or achievement but ultimately fails to maintain it in the long term
Idiom
Informal
예시들
The entrepreneur's business was a flash in the pan, as it went bankrupt shortly after a brief period of profitability.
02
a sudden but brief success that is not sustained
DisapprovingIdiom예시들
His debut novel was a flash in the pan — praised briefly, then forgotten.
