there's no point
E não adianta me dizer que isso é desumano.
And don't tell me that this is inhumane.
— Tropa de Elite (2007)
There's no point in talking to them.
There's no point in explaining it to you.
Mas não adianta fingir ser normal.
But there's no point in pretending to be normal.
— As Memórias de Marnie (2014)
Não adianta explicar para ele.
There's no point in explaining it to him.