with both hands tied behind one's back meaning

[American idiom]
under a handicap; easily.
• I could put an end to this argument with one hand tied behind my back.
• John could do this job with both hands tied behind his back.

[American slang]
Go to with one hand tied behind one's back

• with one hand tied behind one's back:    [American idiom]un ...
• have one's hands tied:    [American idiom]to ...
• behind one's back:    [American slang]ad ...