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.

She needs a point-to-point PEER network
with a range extender.
The Big Bang Theory Season 1, Episode 16

Here's the alcohol and drug PEER pressure
mother warned me about.
The Big Bang Theory Season 4, Episode 19

...for Penny to see me
as a member of her PEER group...
The Big Bang Theory Season 1, Episode 6

Peer review? It's People magazine.
People picked me.
The Big Bang Theory Season 2, Episode 4

Damn it. Peer pressure. Fine.
The Big Bang Theory Season 2, Episode 23