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.

Well, that's not a SURPRISE at all.
The Big Bang Theory Season 10, Episode 6

♪ Ain't no big SURPRISE ♪
The Big Bang Theory Season 7, Episode 3

Well, anyway, it'll be a
nice SURPRISE for the boys.
The Big Bang Theory Season 7, Episode 22

Tyrion may SURPRISE you. From what
I've heard, he's quite experienced.
Game of Thrones Season 3, Episode 7

Pleasant SURPRISE
in an unpleasant situation.
Game of Thrones Season 7, Episode 7