sell someone on

Idioms  

1. Convince or persuade someone of the worth or desirability of something, as in They were hoping to sell enough legislators on their bill so that it would pass easily, or Dave was really sold on that new car. [Colloquial; early 1900s]

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Example Sentences

When they do graduate from the flagship universities, Harris said it’s difficult to sell someone on moving to a smaller town.

From Washington Times • Jun. 4, 2017