break up的过去式是：broke up

break up的意思是：

打碎，破碎；结束；解散；衰落

双语例句：

Civil war could come if the countrybreaks up.如果国家分裂就会引发内战

About 100 officers in riot gear were needed tobreak upthe fight.大约需要100名配备防暴装备的警官来结束那场斗殴。