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 you'd focus on that,
rather than the INSPIRATION.
The Big Bang Theory Season 8, Episode 18

An INSPIRATION for the troops.
Game of Thrones Season 2, Episode 8

It's my first time. I'm looking for
INSPIRATION for this movie I'm writing.
The Big Bang Theory Season 9, Episode 14

He's now an INSPIRATION
to millions of Americans...
The Big Bang Theory Season 6, Episode 9

Your ambition is an INSPIRATION.
Game of Thrones Season 2, Episode 7