Fregley is in my Phys Ed class at school, and he has this whole made-up language.

弗雷格跟我在同一个班上体育课，他的语言自成一家。

It refers to a type of youth, supposedly uncultured, maybe a bit anti-social, perhaps even violent, but certainly marked out, at least from the point of view of the critic, by very bad taste.

它指的是那类所谓的没有文化反社会至有可能有点暴力的青年，但是，至少在很多评论家的眼里看来，他们当然因为某种不好的爱好而自成一家。

There was nothing like them in these parts, nor ever had been; they had liked learning, all three, almost from the time they could speak; and they had always been " of a mak’ of their own" .

地方没有像他们样的东西，也从来没有过。他们三个人几乎从会说话起就喜欢学习；而且他们一直都是“自成一家”。