go belly up
US /ɡoʊ ˈbɛli ʌp/
UK /ɡoʊ ˈbɛli ʌp/

1.
破产, 彻底失败
to fail completely, especially financially; to go bankrupt
:
•
The company will go belly up if sales don't improve soon.
如果销售额不尽快改善,公司就会破产。
•
After several bad investments, his business finally went belly up.
经过几次糟糕的投资后,他的生意最终破产了。
2.
死, 死亡
to die (often used for animals)
:
•
My goldfish went belly up last night.
我的金鱼昨晚死了。
•
The old dog finally went belly up after a long illness.
那只老狗在长期生病后终于死了。