最終更新日：2025/11/20

Dictionary quizzes to help you remember vocabulary

(idiomatic) A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.

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closed book

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元となった辞書の項目

closed book

名詞

慣用表現

(idiomatic) A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.

日本語の意味

（比喩的に）容易に理解できない、謎めいて不可解な人や物事。 / 理解が難しく、その真意や内容が把握しにくい状態を指す

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Despite working together for years, David remains a closed book to the rest of the team.

Google翻訳 / DeepL翻訳

何年も一緒に働いているのに、デイビッドはチームの他のメンバーにとって依然として謎めいた存在だ。

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意味（1）

(idiomatic) A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.

Her courteous, sedate, inexorable husband, whose will she could not bend, whom she could not cajole, whose mind was a closed book to her — a book which had lain by her hand for three years, which she had never had the curiosity to open!

Google翻訳 / DeepL翻訳

詳細

closed books

（ plural ）

詳細

closed book

Dictionary quizzes to help you remember vocabulary

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closed book

Dictionary quizzes to help you remember vocabulary

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