It's sort of in a way difficult to understand how you can be familiar with somebody who is actually a stranger这真的让人难以理解为什么你对这样一个完全陌生的人(指婴儿)感到如此亲切

sort of:有几分地

Let's try to rig up some sort of shelter.

让我们赶快搭个遮风挡雨的棚吧。

You can't put a price on that sort of loyalty.

那样的忠心是不能用金钱来衡量的。

词语搭配:

a word of a sort生气的话

nothing of the sort一点也不是

no sort of毫无

in a sort of way在某种程度上...

be familiar with:熟悉； 通晓； 精通

He is familiar with Chinese ancient history.

他通晓中国古代史。

词汇拓展:

familiar to:为…所熟悉( well known to sb; often seen or heard )

English is familiar to me.

英语为我所熟悉。

The word is not familiar to me.

我不认识那个词。