BBC英语口语:分手,和好,再分手...

stand sb up (informal): to deliberately not meet sb you have arranged to meet, especially sb you are having a romantic relationship with 故意失约使某人空等
I've been stood up!
人家让我空等一场。
注:美语中还可以用"blow sb off"来表示此意.
blow sb off: to deliberately not meet sb when you said you would

Fall out(with sb): to quarrel with sb so that you are no longer friendly with them (与某人)争吵

Break up(with sb): (同某人)绝交,断绝关系,分手
She has just broken up with her boyfriend.
她刚刚和男朋友分手.

Make up(with sb): 与某人言归于好
Why don't you two kiss and make up?
你们两个干嘛不和好算了?
Has he made it up with her yet?
他跟她和好了吗?

Get over sb/sth: (从断绝关系中)恢复过来,忘却(某人)
Has Alice got over her former boyfriend yet?
爱丽丝已经忘掉她过去的男朋友了吗?