我们还没有详细讨论这件事。

We haven't discussed the matter ___in ___detail yet.

这本书详细描述了她的苦难。

The book described her sufferings ___in ___detail.

我很抱歉没有早点回信，但为了弥补，我会详细回答你的问题！

I'm really sorry that I didn't write back earlier, but to make up for this I will answer your questions ___in ___detail!