break up含义：打碎，破碎，分裂，结束，衰落等。侧重于物理上的分解，同时有精神崩溃、终止、结束、解散的含义。break down含义：毁掉，制服，压倒，停顿等。侧重于化学上的分解，同时还有镇压、机器损坏故障、健康状况下降、计划终止等。
break up造句
1、Civil war could come if the country breaks up.
如果国家分裂就会爆发内战。
2、My girlfriend had broken up with me.
我的女朋友已跟我分手了。
3、MPs say they work too hard and that is why so many of their marriages break up.
国会议员们声称他们工作过于辛劳，因而导致他们当中很多人婚姻破裂。
4、A neighbour asked for the music to be turned down and the party broke up.
因为一个邻居要求把音乐音量调低，聚会便散了。
5、It's the last week before they break up, and they're doing all kinds of Christmas things.
这是放假前的最后一周，他们正在为圣诞节作各种准备。
