for a reason
No tienes absolutamente ningún motivo para quejarte por algo.
You have absolutely no reason to complain about anything.
He/She sent me the newspaper for a reason.
— Indiana Jones y la última cruzada (1989)
Sí, por algo positivo para la comunidad.
Yes, for something positive for the community.
— Haz lo que debas (1989)
Tom quiere cambiarse la ropa mojada por algo seco.
Tom wants to change his wet clothes for something dry.