The Public Security Bureau is responsible for maintaining public order.

公安局负责维护社会治安。

They reported the case to the public security authorities.

他们向公安机关报了案。

The public security department is responsible for maintaining social order.

公安部门负责维护社会治安。

The public security system is intensifying its crackdown on crime.

公安系统正在加强对犯罪的打击力度。

The Public Security Bureau handles many people's affairs every day.

公安局每天都有很多人来办理各种事务。

He has worked at the Public Security Bureau for ten years.

他在公安局工作了十年。

The Ministry of Public Security recently issued a new security policy.

公安部最近发布了一项新的安全政策。

I need to go to the Public Security Bureau to get my ID card.

我需要去公安局办理身份证。

The Ministry of Public Security is responsible for maintaining national security and order.

公安部负责维护国家的治安和秩序。

Officials from the Ministry of Public Security often attend international security conferences.

公安部的官员经常出席国际安全会议。