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.

- Of course we're going to be INTIMATE.
- It's only a matter of time.
Game of Thrones Season 6, Episode 5

...I never had any interest in being INTIMATE
with anyone.
The Big Bang Theory Season 6, Episode 23

...in a very INTIMATE
and carnal fashion.
The Big Bang Theory Season 2, Episode 23

Dave likes me.
Maybe INTIMATE is what I need.
The Big Bang Theory Season 9, Episode 10

for us to be INTIMATE tonight.
The Big Bang Theory Season 9, Episode 11