Senses
公安 public security
The safety and security of the general public; maintenance of social order.
公安 public security officer
A police officer or member of the public security personnel, used primarily in Mainland China.
公安 Gong'an
Gong'an County in Hubei Province.
公安 public security organs
The public security system or government department in Mainland China responsible for policing such as the 公安部 or 公安局 .