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.

Now, now. Evolutionary biologist
Robin Dunbar has identified gossip...
The Big Bang Theory Season 4, Episode 20

...in the Southern California Robot Fighting
League Round Robin Invitational...
The Big Bang Theory Season 2, Episode 12

Robin, this is your cousin Sansa.
Game of Thrones Season 4, Episode 5

"Batman Two" has to be the second Robin,
Jason Todd.
The Big Bang Theory Season 2, Episode 20

No need to bother Lord Robin.
Game of Thrones Season 1, Episode 6