strange的名词是stranger，意思为“陌生人”。strange可以做形容词也可以做副词，它的比较级为stranger，最高级为stranges.
Telling a complete stranger about your life is difficult
要对一个素昧平生的人谈自己的生活经历是比较困难。
The women knew nothing of the dead girl. They were strangers.
女人们都对死去的女孩一无所知。她们互不相识。
I don't know him at all.; He's a perfect stranger to me.
我与他素不相识。