in one's forties
My uncle is in his forties.
He is over forty.
La quarantaine, chemise blanche, cravate.
Around forty years old, white shirt, tie.
— Chute libre (1993)
Peut-être est-ce que je traverse ma crise de la quarantaine.
Maybe I'm going through my midlife crisis.
He must be in his forties.
Elle doit avoir la quarantaine environ.
She must be around forty.
Elle nous fait une crise de la quarantaine.
She's having a midlife crisis.
À côté de moi, y avait un type, la quarantaine.
Next to me was a guy in his forties.
— Parle avec elle (2002)