Your brother-in-law is getting married today. Now you're driving him to the wedding hall. You want to talk with him about how he feels about getting married today. You say this: "Today is a pretty big day for you, huh?"
pretty (adjective)
You use "pretty" before an adjective to show how much of that quality something has. It basically means "a little more than you expected". For example:
This soup is actually pretty good.
I think I have a pretty good shot at getting the job.
That song is pretty catchy.
(sentence), huh?
When someone ends a sentence with "huh?" it means that they think you're going to agree with what they said:
"Huh" is common when you're making small talk about the weather, or when you're gossiping about someone.
When someone says "___, huh?" you should respond "Yeah!" if you agree with what they said.
(today/tomorrow/etc.) is a big day
You can say this when something important is going to happen on a certain day, like:
- starting a new job
- graduating from high school or university
- getting married
You can use this phrase to talk about today, tomorrow, or another day:
Tomorrow's a big day.
Saturday is a big day.
And you can explain who the important event is happening for like this:
It's a big day for you.