know是不是介词

know不是介词。

I know him ， but i do n't frequent him much .我认识他，但不常往来。

The resulting radiation is known as airglow .其发出的辐射称为气辉。

I know the kind of people he admires most .我知道他最喜欢哪一类人。

Do you know why i want to interview you ?你知道我为什么想采访你吗

You know treason is a capital offence .你知道背叛是一种严重的罪行。

know不是介词。

know是动词，意为知道知悉了解认识到懂得意识到确信确知肯定熟悉把…看作是将…称为能认出能区分学会看到过亲身体验

例：These problems are all in your mind， you know.

你知道，这些问题都只是你的凭空想象而已。

Some people don't know when they're well off.

有些人身在福中不知福。

know不是介词，是动词，意思是知道、了解。例句：

I don't know the name of the place.

我不知道那个地方的名字。