D'airain (en. Of bronze)
dɛʁɛ̃
Slang Meanings
To have a strong personality.
He is really of bronze, nothing stops him.
Il est vraiment d'airain, rien ne l'arrête.
To be inflexible in one's decisions.
She made her decision of bronze, no question of turning back.
Elle a pris sa décision d'airain, pas question de revenir en arrière.