with both hands tied behind (one's) back

with both hands tied behind (one's) back

Easily or effortlessly; encountering no difficulty or resistance (while doing something). Are you kidding? Montgomery is a powerhouse boxer. He'd knock that kid out with both hands tied behind his back! Oh, please, I could beat you in a game of chess with both hands tied behind my back.
See also: back, behind, both, hand, tie
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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