她镇定而且坚强，绝不会垮掉。She's calm and strong, and she is just not going to crack.我绝对不能眼睁睁地看着这家公司垮掉。I really can't afford to see this company go belly up.我丢了工作，我的世界好像都垮掉了。I lost my job and it was like my world collapsed....

“垮掉”的英语可以翻译为：eak down，crumble to dust，give way ...