break off

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++break off  → break off at break1(PHRASAL VERB)

break off  

break off
break off phrasal verb (see also break)
1. to suddenly stop talking:
    She started to speak, then broke off while a waitress served us coffee.
    He broke off in mid-sentence to shake hands with the new arrivals.
    break something ↔ off
    I broke off the conversation and answered the phone.
2. break something ↔ off to end a relationship:
    She broke off their engagement only a few weeks before they were due to be married.
    The US has broken off diplomatic relations with the regime.
3. if something breaks off, or if you break it off, it comes loose and is no longer attached to something else:
    One of the car’s wing mirrors had broken off.
    break something ↔ off
    He broke off a piece of bread.

●ˌbreak ˈoff🔑 to become separated from sth as a result of force 断开；折断◆The back section of the plane had broken off. 飞机尾部脱落了。🔊🔊to stop speaking or stop doing sth for a time 停顿；中断◆He broke off in the middle of a sentence. 他一句话说了一半就不说了。🔊