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English definition of “promise sb the earth/moon”

promise sb the earth/moon

informal
to say that you will do much greater things than you will ever be able to achieve: Like most governments in their first term of office, they promised the earth.Making and breaking promises and commitments
(Definition of promise sb the earth/moon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “promise sb the earth/moon”

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