break off the action

例句：

1. 1. The car broke offthe road and rolled over.
   汽车从路上断了，翻车了。
2. 2. Hebroke off his engagement tomarry her.
   他与她解除了婚约。
3. 3. The meeting was brokenoff due to rain.
   由于下雨，会议被中断了。