many times
Je vous ai demandé à maintes reprises de ne pas faire cela.
I have asked you repeatedly not to do that.
Bien sûr, l'École a été fouillée à maintes reprises.
Of course, the school was searched repeatedly.
— Harry Potter et la Chambre des secrets (2002)
Le cessez-le-feu a été violé à maintes reprises.
The ceasefire has been violated repeatedly.
John l'a nié à maintes reprises.
John denied it repeatedly.
Elle a lu sa lettre à maintes reprises.
She read his letter many times.