break up 与break off有什么区别?

问题描述:

break up 与break off有什么区别?
Their friendship ______because they had a fight.
A.broke up B.broke off.
为什么选A而不是B.

break up [简明英汉词典]
v.打碎, 破碎, 分裂, 结束, 衰落, 分解, 变坏, 驱散
break off [简明英汉词典]
v.中断, 折断, 突然停止, 脱落, 暂停, 断绝, 解除
看上去意思都差不多.
但是break up 特有指朋友分手(多是男女朋友)的意思.
Tip: 甩别人用dump.