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.

No one beats me at LIMBO.
The Big Bang Theory Season 5, Episode 10

We should play LIMBO next.
The Big Bang Theory Season 5, Episode 10

We were like in a time LIMBO,
with nobody knowing
Money Heist Season 1, Episode 1