Go there
"¿Vas a ir de viaje?" is Spanish for "Are you traveling?" or "Are you going on vacation?"
If the original is actually: "¿Qué? ¿No vas a venir?" it would translate to "What? You are not going to come?"
You are going to come.
We'll see when we meet (or I see you) again
It's rather ungrammatical, but seems to mean: How I'm going to love you, but we'll see whether you are going to love me too.
"Tu vas voir" is a French phrase that translates to "you will see" in English. It is often used to express a sense of anticipation or warning.
Vas-tu means "are you going"
I know not to what you aver. Many scientists would aver to the contrary.
Vas is a Latin word meaning "vessel".
"Vas-y" is a French phrase that translates to "go ahead" or "come on" in English. It is used to encourage someone to proceed or take action.
"Que vas a hacer" in Spanish translates to "What are you going to do" in English.
"Tu vas où en ville?" means "Where are you going in the city?" in French.
Tu vas bien = you are good or Tu vas bien? = how are you?
If you mean who is the greatest punk musician aver, then Joe Strummer
use aver in a sentence
(aver - to positively state or formally declare) The college president would often aver that he had faith in the faculty. I cannot aver my innocence in the matter.