break off

• He broke off half way and said no more .
  他话说了半截儿，又缩回去了。
• He broke off in the middle of a sentence .
  他一句话只说了一半就停住了。
• You'll never break off our engagement again .
  你不会再取消咱们的婚约了吧？
• She broke off a piece of chocolate and gave it to me .
  她掰下一块巧克力给我。
• Now she broke off and began to cry .
  她语塞了，开始哭泣。
• He broke off his engagement to her .
  他和她解除了婚约。
• Here the narrative breaks off .
  故事讲到这里戛然而止。
• His head broke off and a big hole was left there .
  他的头被打破了，头顶上出了个大洞。
• Let 's break off for a minute .
  我们来歇一会儿。
• A branch of the tree broke off .
  一根树枝断了。