kind本身有名词的词性，意为种类、性质；
例句：They were two of a kind, from the same sort of background.
他们两个是一类人，来自相同的背景。
相关介绍
He's in some kind of trouble.
他遇到了什么麻烦。
Fate was kind to me that day.
那天我很幸运。
What kind of music do you like?
你喜欢什么音乐？
She isn't that kind of girl.
她不是那种类型的女孩。
He was a kind and courteous man.
他善良且彬彬有礼。
The weather was very kind to us.
天气非常宜人。
