俚语put one’s money where one’s mouth is的意思解释和用法例句

put one’s money where one’s mouth is（美国俚语）说话兑现，不要讲空话，令出根据来，

用法及例句：
I won’t believe he’s leaving until he puts his money where his mouth is and goes away. 我才不相信他要走，除非他说话算数，真的走了。

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