take off one's hands
take off one's hands {v. phr.}
1. To abdicate one's responsibility of a person or matter.
"I am herewith taking my hand off your affairs," Lou's father said. "See how you succeed on your own."
2. To buy; relieve someone of something.
He offered to take my old car off my hands for $350.
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Source: A Dictionary of American Idioms