maintain order

We must always maintain order in the assembly hall.(我们一定要随时控扼这个会场的秩序。)

To maintain order and unity in groups larger and less homogeneous than extended family systems is a complex and difficult task.(在比大家庭的系统更大更多样的群体之中维持秩序和统一是件复杂、困难的任务。)

Chinese teaching assistant tried to maintain order by asking all to keep quiet.(一名华人助教看不过去，就叫同学安静。)

The police maintain order in the city, help prevent crime, apprehends lawbreakers and directs traffic.(警察维持城市的秩序，协助防止犯罪，逮捕犯法者及指挥交通。)

Security forces are allowed to use what's called "necessary force" to maintain order and can search people and premises without a warrant.(安保部队被允许使用所谓的“必要武力”来维持秩序，他们可以在没有搜查令的情况下搜查人员和房屋。)

Security guards at the Xilai Ranch maintain order at the cricket-fighting tournament.(西来农庄的保安人员，他们负责维持蟋蟀比赛的现场秩序。)

Saturation policing helps maintain order in the Federal District.(足够多的警力有助于维护联邦区的秩序。)

The army has been sent in to maintain order in the capital.(军队被调进首都维持治安。)

Police officers were deployed to maintain order in different cities.(警察被部署在不同的城市，以维持秩序。)

He said there is no alternative for him but to maintain order under any circumstances.(他说，他没有任何选择，在任何情况下他只有去维持秩序。)