The Vietnamese word "cảnh binh" is a noun that translates to "policeman" in English. It refers to a law enforcement officer who is responsible for maintaining public order, enforcing the law, and protecting citizens.
To summarize, "cảnh binh" is a straightforward term for "policeman" in Vietnamese, used most commonly to refer to male police officers. It is often used in everyday conversations about safety, law enforcement, and public order.