Police had to break up the crowd.

警方不得不驱散人群。

《牛津词典》

Police used tear gas to break up a demonstration.

警察使用了催泪瓦斯来驱散示威活动。

《柯林斯英汉双解大词典》

Riot police used tear gas to break up the demonstration.

防暴警察使用了催泪瓦斯驱散示威游行。

《柯林斯英汉双解大词典》

A short time later,state soldiers were used to break up a strike by railroad workers in New York.

VOA: special.2010.06.10

You know, one famous tactic is--if you have an infantry force coming forward, you send tanks in it to break up the line of the infantry, so that you can defeat the infantry in that way.

最有名的战术是,如果有敌方步兵逼近,你把坦克派过去,破坏他们的步兵阵型,以这种策略对付步兵

耶鲁公开课 - 古希腊历史简介课程节选

We then had to break up the different issues and separately write... about that issue,

我们将不同的问题分配给每个人，然后每人负责写分到的问题，

在模拟审判课堂 - SpeakingMax英语口语达人

She has tried to break up the company's Web-search and search-advertising partnership with Microsoft Corp.

WSJ: Yahoo Deal Shows Power Shift

Another option is to break up our videos into part 1, part 2, etc.

FORBES: How long should an Internet video be? -media training

This week dozens of policemen were sent to break up an opposition press conference.

ECONOMIST: Congo