Criticisms that Japan's market is closed are just sour grapes.
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In Aesop's Fables is a story called "Sour Grapes".
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They shall no longer say: ‘The parents have eaten sour grapes, and the children’s teeth are set on edge.’
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The fathers have eaten sour grapes, and the children's teeth are set on edge.
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In Aesop’s fables, there is a tale titled “Sour Grapes”.
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I think his comments about that new car are just sour grapes because he can't afford it.
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英语 example sentences with "sour grapes"