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Last Updated：2025/08/29
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Dictionary quizzes to help you remember the meaning

hueso duro de roer

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（慣用句）難しい問題

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Source Word

hueso duro de roer

Noun
idiomatic masculine

（慣用句）難しい問題

English Meaning
(idiomatic) tough nut to crack
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Google Translation / DeepL Translation

その訴訟事件は弁護士たちにとって手強い難題となりました。

The legal case turned out to be a tough nut to crack for the lawyers.

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huesos duros de roer
（ plural ）

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