"You will be drinking."

Translation: Εσύ θα πίνεις.

[Gattide]

Is the simple future θα Πιώ? doesn't Εσύ θα πίνεις means that you'll drink continuously?

[mizinamo]

Yes, or habitually (again and again). Hence the translation here "you will be drinking" rather than "you will drink [once]".