break in on/upon

• 打断(谈话等)； 打扰

break in on/upon的用法和样例：

例句

1. Please don't break in on our conversation.
   请不要打断我们的谈话。
2. The loud bell on the clock broke in upon his dream.
   响亮的钟声打断了他的美梦。
3. I'm terribly sorry to break in on you like this.
   这样打扰你们我真过意不去。
4. She was always in a tantrum if interrupted.
   要是有人打扰她，她总是要发一通脾气。