1、break up

（使）分裂；（被）拆分；(使）破碎

Civil war could come if the country breaks up.

如果國家分裂就會爆發內戰。

There was a danger of the ship breaking up completely.

這艘船有徹底解體的危險。

（戀人）分手；（夫妻）結束關系

My girlfriend had broken up with me.

我的女朋友已跟我分手了。

He felt appalled by the whole idea of marriage so we broke up.

他被結婚的想法嚇住了，因此我們分了手。

散（會）；（使）解散

A neighbour asked for the music to be turned down and the party broke up.

因為一個鄰居要求把音樂音量調低，聚會便散了。

Police used tear gas to break up a demonstration.

警察使用催淚瓦斯驅散示威人群。

2、common

常見的;普遍的

His name was Hansen, a common name in Norway.

他的名字叫漢森，在挪威是一個常見的名字。

Oil pollution is the commonest cause of death for seabirds.

石油污染是造成海鳥死亡最常見的原因。

共有的;共同的

Moldavians and Romanians share a common language.

摩爾達維亞人和羅馬尼亞人使用同一種語言。

Such behaviour is common to all young people.

這種行為在年輕人中司空見慣。

眾所周知的，共有的，共識的

It is common knowledge that swimming is one of the best forms of exercise.

大家都知道游泳是最好的鍛煉方式之一。

the common view that acupuncture is only a fringe area of medicine.

針灸僅僅是醫學的一個邊緣領域的這種普遍看法