精品学习网考试频道小编应广大考生的需要，特为参加考试的考生策划了“PETS4写作精选短语：to go belly-up”专题等有关资料，供考生参考!
to go belly-up 事业破产
in business, to collapse; to go out of business (“belly” means stomach, so going belly-up means to turn on your back and float like a dead fish)
EXAMPLE:
My brother’s company went belly-up last month when its revenues were far below its monthly debts, so now he’s looking for a job.