collapse 指建筑物的倒塌变成废墟 破产倒闭应该用 bankrupt 这个词直接作为形容词,名词,动词 所以 my company has been bankrupt /my company went bankrupt/my company has gone bankrupt my company was bankrupt == 都可以
破产英文:go bankrupt; go broke; go bankruptcy; fall through bankruptcy ;I'm broke, Livy, and I owe a couple of million dollars. 我破产了,莉薇,而且我欠了几百万美元的债。It was touch and go whether we'd go bankrupt. 我们是否会破产还很难说。