code name

柯林斯詞典

1. N-COUNT A code name is a name used for someone or something in order to keep their identity secret. 化名[usu N n]
One of their informers was working under the code name Czerny. 他們的一名線人的化名為車爾尼。
2. V-T If a military or police operation is code-named something, it is given a name which only the people involved in it know. 代號(hào)為[usu passive]
The operation was code-named Moonlight Sonata. 這次行動(dòng)的代號(hào)是“月光奏鳴曲”。
...a military contingent, code-named Sparrowhawk. ...代號(hào)為“雀鷹”的小分隊(duì)。