Te is, fiam, Brutus?
Te is, fiam, Brutus? (Hungarian) — In Hungarian language this idiom is used as a question when you realize that a very close friend or family member acts against you.
Et tu mi filii Brute
Te is, fiam, Brutus? — "Et tu Brute! (You also Brutus!)". This quote is from Shakespeare's "Julius Caesar". Caesar said it when Brutus his trusted friend and member of The Senate stabbed Caesar on the Ides of March. Today when it is said it indicates that you have been betrayed by someone.