代号 (dài hào): Code name (Noun) — Meaning & Stroke Order

My code name is Xiao Ming.

To protect the witness, the police decided not to assign him a public code name.

The internal code name for this project is 'Phoenix', symbolizing rebirth and innovation.

The code name for this secret mission is 'Operation Dawn', and only a few senior officials know the details.

When chatting online, we often use interesting code names to address each other.