“行话的”常见英文表达可以是 “of jargon” 或 “pertaining to jargon” ，具体使用要根据语境。例如：
The meaning of this term is obscure to those outside the industry; it's typical of jargon.（这个词对行业外的人来说意思模糊，是典型的行话表达 。）
The document is filled with technical terms pertaining to jargon of the medical field.（这份文件里满是与医学领域行话相关的专业术语 。）