英语释义

• something that baffles understanding and cannot be explained;

  "how it got out is a mystery"

  "it remains one of nature's secrets"

片语

He Closed The Book他合起书

like a closed book被迫有趣

closed-book test不可看书的考试

And Closed My Book并关闭我书

Snapped closed the book surface啪的合上书面

Closed book to me象天书一样

A Closed Book未揭开的秘密；高深莫测的事物

closed-book exam闭卷

英汉例句

• the final is a closed book test, but you may bring a one-page outline to the exam to consult freely.

  虽然期末考试不得翻书，但你可以携带一页的大纲前来应试。

• music is closed book to bruce.

  布鲁斯对音乐一窍不通。

• philosophy is a closed book to me.

  我对哲学一窍不通。

• history is never a closed book or a final verdict.

  历史决不是一本合上的书或一纸最后判决。

• it「s no good talking to me about physics; it」s a closed book to me.

  跟我谈物理等于白说，我对它一窍不通。

• the research and development of this project has supply a useable solution to solve the closed book catalog.

  本课题的研究与开发为解决目前封闭式图书编目提供了一个可行的解决方案。

• a small part of the shadow with jildi closed book caught in the inside, will be a short trip.

  一小部分的影子随着忽忙合上的书本被夹在了里面，即将进行一场短途的旅行。

• the dense dark jungle, obviously a closed book to an outsider, is an open book to the aboriginals.

  黑暗稠密的丛林，对外来者显然是神秘莫测的，但对土着来说却毫无神秘可言。

• part a: fundamentals — closed book test; 150 questions.

  a部分：焊接理论基础—闭卷考试；150道考题；

• paul newman officially announced his retirement from acting in 2007 - 「it「s pretty much a closed book for me, 」 he said.

  2007年，保罗纽曼正式宣布息影——「对我来说，这本书已经合上了」，他说。

• the actress」 life is a closed book to us.

  那个女演员的生活对我们来说是个秘密。

• nuclear physics is a closed book to many of us.

  我们许多人对核子物理都一窍不通。

• the exams will be closed book unless otherwise indicated.

  如无明确指示，测验将闭卷进行。

• he is not interested in the amazing games, only playing on the internet which was a closed book to him before.

  他并不是对那些令人目不暇接的游戏感兴趣，只是出于好奇而纯属瞎玩。

• the general examination for all levels shall be a closed book examination consisting of questions that cover the cross-section of the applicable method at the appropriate level.

  所有级别的基础考试应为闭卷考试，考试题应包括该级别适用方法的全部内容。