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.

with no one but this old BAT
for company, I'd go mad.
Game of Thrones Season 1, Episode 4
![[SINGING]
<i>And also regarding the bat</i>
[SINGING]
<i>And also regarding the bat</i>](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[SINGING]
And also regarding the BAT
The Big Bang Theory Season 8, Episode 21

My spare glasses are in my bedroom,
on my dresser, next to my BAT signal.
The Big Bang Theory Season 1, Episode 11

But what if Man-Man dressed as a BAT?
The Big Bang Theory Season 9, Episode 21

...right off the BAT, 50 percent of men on
Earth are more attractive than you.
The Big Bang Theory Season 6, Episode 8