I'm in the middle of typing something important and it's going be a while.

问题描述:

I'm in the middle of typing something important and it's going be a while.
此处 middle是什么意思还有为什么不是going to be a while?

我正在打一些重要文件,请稍等(需要一些时间才能完成).
in the middle of在.中
it's going be a while可能是口语的原因,或者漏打了to