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expressions (phrases, clauses, etc.), noun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
(something) not coming together (as one had hoped or expected), unfortunate turn of events, unexpected turn, (a) crossbill's beak (which has differently shaped upper and lower parts)
often as 〜の食い違い (with the same meaning)idiomatic expression