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English definition of “sell someone on something”

sell someone on something

verb [I/T] phrasal verb with sell  /sel/ (past tense and past participle sold  /soʊld/) us  
to persuade someone that something is good, valuable, or useful: The filmmakers sold me on the idea that my book would work on the screen.
(Definition of sell someone on something from the Cambridge Academic Content Dictionary © Cambridge University Press)
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