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sell (one) on (something)
To convince or persuade one to do something or to accept some plan or idea. Often used in passive constructions. I can't believe he sold me on another one of his harebrained schemes. I just don't like the way their customer service agents try to sell you on extra policies or more expensive packages—that's the sales team's job. I wasn't sold on the idea until they showed me exactly how they planned to spend the money.
To sell something, especially that which one has recently purchased or come to possess. A noun or pronoun can be used between "sell" and "on." I decided to sell on the computer the company had given me to help pay for a newer model. We buy the items in bulk from China at a discounted price, then sell them on individually for a profit.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
sell someone on something
to convince someone to do something; to convince someone to accept an idea. Mary sold me on ordering pizza for dinner. John sold Anne on switching long-distance phone companies.
sold on someone or something
convinced of the value of someone or something. I'm not yet sold on your idea. The crowd was sold on Gary. Nothing he had done or could do would cool their enthusiasm.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To persuade someone to recognize the worth or desirability of something: They sold me on the usefulness of their new products, so I invested in their company.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.