every parent break down in tears when they saw their children coming back

题目

every parent break down in tears when they saw their children coming back
break down

答案

每个父母当看到他们的孩子们回来的时候,他们都忍不住痛哭流涕.
break down in tears "禁不住流泪"这个都是习惯搭配了啊.
break down是指"垮掉；崩溃".