no hacen nada

they don't do anything

→ no
phrase Rare #50,156
they don't do anything When referring to medicines or treatments, it can mean that they have no effect.
SP: Estos medicamentos no hacen nada.
EN: These medicines don't do anything.

Estas hierbas no hacen nada.

These herbs don't do anything.

— Avatar: Fuego y ceniza (2025)

Te las tomas y no hacen nada.

You take them, and they don't do anything.

— Carandiru (2003)

Los antibióticos no hacen nada.

Antibiotics don't do anything.

Hay otros que no hacen nada.

There are others who don’t do anything.

— La sociedad de la nieve (2023)

No hacen nada.

They do nothing.