第一句

I have no idea where I lost it

我不知道我把它丢哪儿了。

A: Where did you lose your purse?

你把钱包丢哪儿了？

B: I have no idea where I lost it

我不知道我把它丢哪儿了。

第二句

I don't remember at all.

我根本不记得了。

A: Now think it again. Where did you take your purse last time?

现在再仔细想想，你最后一次带钱包是在什么时候？

B: I don't remember at all.

我根本不记得了。