CNN news 2010-06-01 加文本

1. And they were learning the family business on weekends making pizza like their dad did at his dad's restaurant years ago, but the state labor department put a stop to that and said it was a violation of labor laws.

put a stop to终止或废止…

例句：I told him to put a stop to the practice.
      我已经告诉他停止实验。

      We have to put a stop to these things.
      我们必须制止这些事情。

2.if they go to college and do whatever they have to do in life and it's something they don't like, they have something to fall back on.

fall back on求助于, 依赖, 转而依靠

例句：You can always fall back on him when you are in difficulties.
      你碰到困难时总是可以求助于他。

      Doctors sometimes fall back on old cures.
      有时医生们求助于老的疗法。

3.I’m Wolf Blitzer, every weekday I wrap up the stories rocking the political world that I knew.

wrap up圆满完成; 顺利结束(协议或会议等) (wrap something up)

例句：They wrapped up an agreement on Friday.
      他们于周五签完协议。

      The whole thing has been wrapped up.
      整个事情已成定局。