a catch
Il peut y avoir un hic.
There might be a catch.
— Independence Day (1996)
Mais il y a un hic.
But there's a catch.
— Harry Potter et la Coupe de feu (2005)
Il y avait un hic.
There was a catch.
Il y a un hic.
There is a catch.
— Paddington 2 (2017)