First of all, situation number one, well, you know how to do that.

首先，情形一，你们知道如何做。

youdao

You decide that the best way to deal with the situation is to pretend that you don't know your friend as well as you do.

你觉得处理这种情况最好的办法就是，尽管对这个朋友很了解，也要假装对她知之甚少。

youdao

You decide that the best way to deal with the situation is to pretend that you don't know your friend as well as you do.

你觉得处理这种情况最好的办法就是，尽管对这个朋友很了解，也要假装对她知之甚少。

youdao