公安 gōng ān (Ministry of) Public Securitypublic safetypublic securitysee 公安县 Gōng ān Xiàn Example sentences 公安人员以迅雷不及掩耳之势直捣匪巢。 gōng'ān rényuán yǐ xùnléi bùjí yǎn ěr zhī shì zhí dǎo fěi cháo. The public security officers attacked the bandits' nest with lightning speed