sort of为非正式口语用法。

例句：

I’m sort of worried about Jenny.

我有点为杰尼担心。

What sort of person would do a thing like that?

什么人会干那样的事呢？

There's no way we could afford that sort of money.

我们无论如何都花不起那种钱。

What sort of message is that sending to young people?

这给年轻人传达的是什么样的信息呢？