phòng nhì

phòng nhì is a Vietnamese noun with a very specific historical core: the French Second Bureau, a military intelligence service associated with espionage and counter-espionage. It is not just a general word for “room number two,” so context matters. In this lesson, you’ll see how phòng nhì can also be used more broadly for a military-style spy or intelligence organization, especially by analogy. We’ll also look at natural connections like cơ quan tình báo, điệp viên, and the phrase hoạt động như phòng nhì for secretive, information-gathering activity. Watch the full lesson to learn when this term sounds historical, formal, or analogical.