1 sentence for 公安 (gōng'ān — public security)

1. 警察的首要任务是维护公安，保障广大居民的生命安全。

   jǐng​chá de shǒu​yào rèn​wu shì wéi​hù gōng'ān, bǎo​zhàng guǎng​dà jū​mín de shēng​mìng ān​quán.

   The primary task of the police is to maintain public security and ensure the safety of the residents.

   Source: Dong Chinese Dictionary