Complete Dialogue

A: Hi John. What's up?{1}

B: I'm trying to figure out{2} this homework. I think it's over my head{3} .

A: Well, maybe I can give you a hand.{4} What subject is it in?

B: Chemistry.

A: Oh, forget it{5} . I flunked{6} chemistry last semester. What are you going to do later?

B: I was thinking of going out to dinner. I don't feel like cooking tonight. How about you?

A: I don't have any plans.

B: Why don't you join me for a bite to eat{7} ?

A: That sounds great.

Comment:

"'What's up/"' is an informal way of saying hello. When somebody asks you 'What's up?', you can answer with, "Not much" by telling the speaker what you are doing.

Comment:

To 'figure something out' means to learn how to use it or how to understand it.

Comment:

If something is 'over your head', it means it's too difficult to understand.

Comment:

To 'give somebody a hand' means to help them.

Comment:

"Forget it" here means "never mind" or "no way".

Comment:

If you flunk a course, it means you don't pass. To flunk is to fail a class.

Comment:

A bite to eat is a small, informal meal.