con una mano atada

with one hand tied behind one's back

→ con
phrase Rare #46,223
with one hand tied behind one's back Usually completed with a la espalda or detrás de mí. It can be used literally, or figuratively to say that someone can do something easily, even with a disadvantage.
SP: Puedo terminar este trabajo con una mano atada a la espalda.
EN: I can finish this work with one hand tied behind my back.

Puedo hacer eso con una mano atada detrás de mi espalda.

I can do that with one hand tied behind my back.

Esto es como pelear con alguien con una mano atada a la espalda.

This is like fighting someone with one hand tied behind their back.

Las golpearé con una mano atada detrás de mí.

I'll beat them with one hand tied behind my back.

— La increíble historia de David Copperfield (2019)