1. kind (sort) of常常用作副词，起减弱语作用，意为：有点儿，稍微（多用于非正式语体或美国英语中）:
I’m kind of tired.我有点儿累了。
As he was walking along, he sort of stumbled and seemed ill.
她向前走着，步履蹒跚，好像病了。
We were sort of worried about leaving Grandfather alone.
把祖父一个人留下来，我们有点儿担心。
It's kind of creepy down in the cellar!
地窖里真令人有点不寒而栗！
I like him, kind of.
我有点儿喜欢他。
That made me feel kind of stupid.
那使我感到有点儿愚蠢。
2. of a kind(sort用作定语或表语，质量低劣的，不怎么样的（起减弱语的作用）。另外，也可以表示“同类的”。
She gave us coffee of a kind, but we couldn’t drink it.
她给我们的咖啡质量不好，我们简直难以下咽。
They made me tea of a kind, but I couldn't drink it.
他们给我沏了不太好的茶，我没法喝。
They gave us a welcome of a kind.
他们对我们的欢迎不大热情。
They have had an education of a sort.
他们勉强算是读过一点儿书。
She finds solace of a kind in alcohol.
她从酒精中多少得到一些安慰。
solace /ˈsɑːləs/
n.安慰；慰藉；给以安慰的人(或事物)
vt.安慰，慰藉；使快乐；减轻
另外，也可以表示“同类的”。如：
They were two of a kind, from the same sort of background.
他们俩是一类人，有相同的背景。
They are two of a kind and totally unreliable.
他俩是同类货色，都是不可靠的人。