Successive nights without sleep make any new parent feel ready to quit.连续几个晚上没有睡觉,任何一个新妈妈或新爸爸都会觉得撑不下去。He worked late every day and took frequent business trips for several years before he finally hit the wall.他每天都工作到很晚,几年来又经常出差,直到最后他撑不下去了。The company staggered under snowballing debts.这家公司债台越筑越高,快撑不下去了。