英汉词典

1. 行话；行业术语；黑话
    You use jargon to refer to words and expressions that are used in special or technical ways by particular groups of people, often making the language difficult to understand.

    e.g. The manual is full of the jargon and slang of self-improvement courses.
           手册里满是有关自修课程的行话术语。
    e.g. ...the reading habits of 600,000 C2 males (marketing jargon for skilled manual workers).
           60万C2男性的阅读习惯（C2为销售行业行话，指从事体力劳动的熟练工人）