Word Example from TV Shows
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.
Your hands are blunt tools guided
by my knowledge of the nervous SYSTEM.
The Big Bang Theory Season 4, Episode 24
But, fuck, hacking a security SYSTEM