This is the 8182nd most frequent Chinese word.
fbi
In Chinese internet slang, "fbi" is short for "快报警" (kuài bàojǐng), meaning "quickly call the police."
In this sentence, 'FBI' is used as the name of the United States Federal Bureau of Investigation.
1. 我的朋友最近在看一部关于FBI的纪录片。
1. My friend is recently watching a documentary about the FBI.
Here, 'FBI' refers to the organization, and the term is used within the context of someone jokingly impersonating an FBI agent.
2. 他总是自称是FBI卧底，实际上并不是。
2. He always claims to be an FBI undercover agent, but he actually isn't.
In this context, 'FBI' is used to refer to the organization as part of the professional identification of the person.