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.

Okay, so it's a crime of passion.
Where's the drug ANGLE?
Breaking Bad Season 4, Episode 3

What's your ANGLE?
Westworld Season 2, Episode 9

It faces the television
at an ANGLE that is
The Big Bang Theory Season 12, Episode 24

It faces the television at an ANGLE
that isn't direct so he can talk...
The Big Bang Theory Season 3, Episode 10

Well, maybe you can go at it
from a different ANGLE.
The Big Bang Theory Season 2, Episode 12