you insist
No, y no insistas.
No, and don't insist.
— Hable con ella (2002)
No insistas.
Don't insist.
Me da pena que insistas así.
I feel sorry that you insist like this.
— La vida de Adèle (2013)
No insistas, Dadina.
Don't insist, Dadina.
— La gran belleza (2013)
Por mucho que insistas, no tienes razón.
No matter how much you insist, you're not right.