jargon

n. 行话

The special terminology understood among the members of a profession, discipline, or class but obscure to the general population; jargon.

术语，行话在一个职业、学科或阶层的成员间能被理解的特殊术语，但对一般大众来说却晦涩难懂；专门术语

The jargon of a particular group; cant.

黑话，行话某一特殊团体的行话；黑话