con una mano atada

with one hand tied behind one's back

→ con
phrase Rare #46,006
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.

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.

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

I can do that with one hand tied behind my 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)