lingo

1. N-COUNT People sometimes refer to a foreign language, especially one that they do not speak or understand, as a lingo. (尤指不會說或聽不懂的)外語[非正式] [usu sing]

I don't speak the lingo. 我不會說這種外語。

2. N-UNCOUNT A lingo is a range of words or a style of language which is used in a particular situation or by a particular group of people. 行話[非正式] [also 'a' N]

In music-business lingo, that means he wanted to buy the rights to the song and market it. 用唱片界的行話，就是他想買下那首歌曲的版權竝推曏市場。

...an author who writes in a lurid lingo, freely punctuated with crude expletives. ...文筆間充斥著低俗的暗語和隨興插入粗話的作者。