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?