How to translate 我知道大概是怎么回事？
我知道 - I know
大概是怎么回事 - roughly what happened
但是 but
能不能有人 can someone
给我详细解释一下？ detailedly explain it to me?

我知道大概是怎么回事，但是能不能有人给我详细解释一下？


I know roughly what happened, but can someone explain it in detail to me?