泡ほう沫まつ景けい気き

noun

bubble boom; ephemeral boom

Refers to an economic boom that is unsustainable and likely to burst, like a bubble. Often used in economic contexts.

• 1980年ねん代だい後こう半はんの日本にほんは泡ほう沫まつ景けい気きに沸わいていた。

  Japan was in the grip of a bubble boom in the late 1980s.

• この好こう景けい気きは泡ほう沫まつ景けい気きに過すぎないと専せん門もん家かは警けい告こくしている。

  Experts warn that this prosperity is nothing more than an ephemeral boom.