一ひと盛さかり

noun

temporary prosperity; brief flourishing

Refers to a period of success or popularity that is short-lived; often used with a sense of impermanence.

• あの店みせの一ひと盛さかりはもう終おわった。

  That shop's brief period of prosperity is already over.

• 一ひと盛さかりの後あと、彼かれはすぐに忘わすれられた。

  After his temporary fame, he was quickly forgotten.