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.

How many counterfeit worlds
will Ford offer you
Westworld Season 2, Episode 10

is just a bunch of horseshit
Ford ginned up out of
some old comic book.
Westworld Season 2, Episode 2

Ford:
I warned you
not to trust them, Bernard.
Westworld Season 2, Episode 9

Ford: You're a clever man,
Bernard. Made you that way.
Westworld Season 2, Episode 7

Is this the promised land
Ford told the hosts to seek out?
Westworld Season 2, Episode 10