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.

Why would a brother HIDE it here?
Game of Thrones Season 2, Episode 8

I can't just HIDE here with you
while they're fighting out there.
Game of Thrones Season 4, Episode 9

- Can I HIDE out here for a while?
- Sure. What's going on?
The Big Bang Theory Season 1, Episode 7

I'm so excited
And I just can't HIDE it
The Big Bang Theory Season 3, Episode 16

And we shall not HIDE.
Money Heist Season 3, Episode 2