而且我也知道你不是开玩笑的。

And I see that you weren't joking.

youdao

我有信心提高我的英语，而且我也知道怎么做到这一点。

I have confidence in improving my English and I know how to do it.

youdao

而且我也知道人是如何在这一过程中扭曲自己的真实感的。

And I can also understand how one might have his or her sense of reality distorted in the process.

youdao

And I do know, as I have worked as a publicist, that people do, celebrities do call paparazzi

而且我也知道，因为我曾做过宣传的，有的人，名人，确实会给狗仔队打电话，

溺爱是一种伤害 - SpeakingMax英语口语达人

So I know it's also pretty cheap to go there.

而且我知道去一趟也不贵。

I think 实战 - SpeakingMax英语口语达人