jargon

The report was criticised for being full of technical jargon inaccessible to non-specialist readers.该报告因充斥着非专业读者无法理解的技术行话而受到批评。

Each professional field develops its own jargon that serves as a form of shorthand among practitioners.每个专业领域都会形成自己的行话，作为从业者之间的一种简写形式。