Meaning of zhì ān:
zhì ān
治安
Noun
law and order; public security
Jǐngchá zhèngzài nǔlì gǎishàn chéngshì de zhì'ān.
警察正在努力改善城市的治安。
The police are working hard to improve the city's law and order.
Zhège chéngshì de zhì'ān hěn hǎo.
这个城市的治安很好。
The public security in this city is very good.
