is no use
Waiting is pointless.
Bueno, tengo el amuleto de Númerobis, pero no sirve de nada.
Well, I have Numerobis's amulet, but it's no use.
— Astérix y Obélix: Misión Cleopatra (2002)
Ves, todo el trabajo que hiciste durante el día no sirve de nada.
You see, all the work you did during the day was for nothing.
— Fearless - Sin miedo (2006)
No sirve de nada discutir con él.
There's no point arguing with him.
Yo pienso que no sirve de nada intentar convencerle.
I think there's no point in trying to convince him.
Un arco no sirve de nada sin flechas.
A bow is useless without arrows.