to talk with your mouth full
C'est malpoli de parler la bouche pleine.
It’s rude to talk with your mouth full.
Vous ne devriez pas parler la bouche pleine.
You shouldn't talk with your mouth full.
Tu ne dois pas parler la bouche pleine.
You must not talk with your mouth full.
Tu ne devrais pas parler la bouche pleine.
You shouldn't talk with your mouth full.
Tu n'es pas censé parler la bouche pleine.
You're not supposed to talk with your mouth full.