1.
The police are responsible for the preservation of law and order.
警察负责维持治安。
2.
The duties of the police are to keep order and to carry out the law.
警察的职责是维持治安，执行法律。
3.
The maintenance of law and order is in the hand of the local police force.
治安由本地警察负责。
4.
police a street
派警察维持街道治安
5.
The Hong Kong Police Force has operational responsibility for crime prevention and detection; the maintenance of law and order; traffic matters and the detection of illegal immigration.
香港警察队负责防止和侦查罪案、维持治安、指挥交通和执行堵截非法入境者的工作。
6.
Nongovernmental police is mainly responsible for micro-control of“ minor public order”.
民间警察主要负责微观“小治安”。
7.
The police are responsible for keeping public order and safety.
警察有维持公共秩序和保障安全的责任。
8.
He be a policeman and his duty be to keep the peace in the local area
他是位警察,他的职责就是维护当地治安
9.
He is a policeman and his duty is to keep the peace in the local area.
他是位警察, 他的职责就是维护当地治安。
10.
He was a policeman and his duty was to keep the peace in the local area.
他是位警察,他的职责就是维护当地治安。
11.
The person( s) responsible for an assembly, a procession or a demonstration shall, when necessary, appoint special personnel to assist the people's police in maintaining order.
集会、行、威的负责人在必要时，应当指定专人协助人民警察维持秩序。
12.
Mounted police were brought in to maintain law and order.
骑警队被叫来维持治安。
13.
The law charges policemen with keeping law and order
法律委予警察维持法律与秩序的责任。
14.
It is one of the duties of the police to preserve puBlic order.
警察的职责之一是维持公共秩序。
15.
The police are responsible for the preservation of puBlic order and security.
警察有责任维护公共秩序和安全。
16.
The Government of the Hong Kong Special Administrative Region shall be responsible for the maintenance of public order in the Region.
香港特别行政区政府负责维持香港特别行政区的社会治安。
17.
Security for the Queen's visit will be in the hands of the Special Branch and members of the police force.
女王出访的安全防卫，将交托给特别警卫部门和警察负责。
18.
There were also constables appointed to keep the peace.
城里也有被派来维持治安的基层警员。