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.

-♪ (INTENSE MUSIC PLAYS) ♪
-(BULLETS RATTLE)
Westworld Season 3, Episode 8

(BULLETS RATTLE)
Westworld Season 3, Episode 8

(TEETH RATTLE)
Game of Thrones Season 4, Episode 8

Old men deny it with their death RATTLE
Game of Thrones Season 2, Episode 4

I'm gonna go RATTLE some cages.
Breaking Bad Season 5, Episode 8