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English definition of “sell (sb) out”

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sell (sb) out

informal
verb uk phrasal verb with sell   /sel/ (sold, sold) us  
to not do what you have promised someone you will do or what you should do because you will get more advantages for yourself if you do something else: French farmers feel they've been sold out by their government in the negotiations. They've sold out to the road transport lobby (= done what these people wanted).
Translations of “sell (sb) out”
in Chinese (Traditional) 背叛, 出賣…
in Chinese (Simplified) 背叛, 出卖…
(Definition of sell (sb) out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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