The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

I mean, not all the jibberjabber
in the MIDDLE, but...
The Big Bang Theory Season 7, Episode 20

Oh, hey, Sheldon. We're kind of
in the MIDDLE of something.
The Big Bang Theory Season 12, Episode 15

His MIDDLE name is David. Go.
The Big Bang Theory Season 8, Episode 24

Tatooine was in the MIDDLE of nowhere.
The Big Bang Theory Season 8, Episode 19

I'm right in the MIDDLE
of my addiction study.
The Big Bang Theory Season 5, Episode 15