the bubble bursts
US /ðə ˈbʌb.əl bɜːrsts/
UK /ðə ˈbʌb.əl bɜːrsts/

1.
泡沫破裂, 好景不常
a sudden end to a period of success or good feelings
:
•
Everything was going great until the bubble burst and the company went bankrupt.
一切都很順利,直到泡沫破裂,公司破產。
•
He was living in a fantasy world, but then the bubble burst when he lost his job.
他生活在幻想世界中,但當他失業時,幻想破滅了。