bust up1.■使破裂,(使)爆裂,(使)崩溃;使分裂:The company has busted up.这家公司已破产了。2.■破坏;损坏;糟蹋:The child has bust up the alarm clock.这孩子把闹钟弄坏了。3.■[口语]争吵,吵架:Jack and Jane were busting up yesterday.杰克和简昨天吵架了。4.■[美国英语](使)(友谊或婚姻)破裂;(使)离婚;(使)分离;拆散(婚姻):Jim and his wife busted up a year ago.吉姆和他妻子一年前离婚了。