quarter of an hour
Il m'a fait passer un sale quart d'heure.
He put me through a rough time.
Tom passait un mauvais quart d'heure.
Tom was having a rough time.
Si ça marche, on aura encore un mauvais quart d'heure à passer.
If that works, we’ll have another rough time ahead of us.
— Le Bateau (1981)
On a passé un sale quart d'heure pendant l'orage.
We had a rough quarter of an hour during the storm.
Si je t'attrape, tu vas passer un sale quart d'heure !
If I catch you, you’re going to be in for a rough time!
— Lagaan (2001)