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.

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

No, if a man dresses as a BAT,
that's Batman,
The Big Bang Theory Season 9, Episode 21

blind, with leather wings
like the wings of a BAT.
Game of Thrones Season 1, Episode 10

So, not to have his meniscus broken
by a baseball BAT, you said:
Money Heist Season 1, Episode 4

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