Go back to the trailer with the Spanish subtitles and listen to the following expressions which are everyday language and really useful. It will be easy as the translation comes underneath.
Learn the expressions:
Somebody you don't want to mess with.
It's time of taking it easier.
Get off my lawn.
Its going to be ugly.
We are having barbecue...(do ) you want to come over?
You don't want to know ( badly translated in the trailer, it means "it is better if you don't know").
Whatever it is.-....they won't have a chance.