promise someone the moon
US /ˈprɑmɪs ˈsʌmˌwʌn ðə mun/
UK /ˈprɑmɪs ˈsʌmˌwʌn ðə mun/
1.
许下不可能的诺言, 开空头支票
to make extravagant or impossible promises to someone
:
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He's always trying to promise someone the moon to get what he wants, but he never delivers.
他总是试图向某人许下不可能的诺言来达到目的，但他从不兑现。
•
Don't believe him, he's just trying to promise you the moon to get your vote.
别相信他，他只是想向你许下不可能的诺言来争取你的选票。