This is Spanish shorthand for "¿por qué tú no vas?".
In English, it means "why are you not going?"
It is French for "Have you?"
De tu means: of your in English.
you are fine
Tu veux means 'you want' in English.
"Tu hermano" means "your brother" in English.
tu-you
"Tu amigo" translates to "your friend" in English.
you too my friend
que tu
your message what does mensaje mean in english?
mais tu veux ... means 'but you want...' in English.
Translation: You want