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 am fated to live forever
on this MISERABLE Earth.
Vikings Season 1, Episode 7

but it'll make you MISERABLE,
which will make me MISERABLE, and...
The Big Bang Theory Season 10, Episode 22

Because I'll seriously bust you up.
You MISERABLE little smackhead.
Breaking Bad Season 2, Episode 12

I don't want you to go
if you're gonna be MISERABLE
The Big Bang Theory Season 12, Episode 15

No, which will make me MISERABLE,
which is usually Sheldon's job.
The Big Bang Theory Season 10, Episode 17