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.

Someone came along
and shot him in the FACE.
Breaking Bad Season 4, Episode 3

Half man maybe, but at least I have
the courage to FACE my enemies.
Game of Thrones Season 1, Episode 8

and it's easier to fight than to FACE the
feelings that you have for one another.
The Big Bang Theory Season 10, Episode 10

The thought of this lovely FACE
cracking open like a duck egg,
Game of Thrones Season 7, Episode 3

And then there's an animated smiley FACE
raising the roof like this...
The Big Bang Theory Season 9, Episode 10