代号 (dàihào): code name

Measure Word

一个代号 gè

Literally 'substitute name' — a name used in place of the real one

Zhè cì xíngdòng de dàihào shì 'Lièyīng'.

The code name for this operation is 'Falcon.'

Jiàndié tōngcháng shǐyòng dàihào lái yǐncáng shēnfèn.

Spies usually use code names to hide their identities.

usage

代号 is used for code names of military operations, secret projects, or undercover identities. Don't confuse with 代码 (dàimǎ, code as in programming).

代 dài

号 hào