hors de question
C'est hors de question.
Mr Copperfield, I'm afraid a loan is out of the question.
Monsieur Copperfield, je crains qu’un prêt ne soit absolument hors de question.
— The Personal History of David Copperfield (2019)
It is out of the question to learn all these sentences by heart.
Il est hors de question d’apprendre toutes ces phrases par cœur.
Working for free is out of the question.
Travailler gratuitement, c’est hors de question.
It is completely out of the question.
C’est totalement hors de question.
C'est hors de question.