closed book
英 [kləʊzd bʊk]
美 [kloʊzd bʊk]
完全不了解的人; 一无所知的事物; 谜
英英释义
noun
- something that baffles understanding and cannot be explained
- how it got out is a mystery
- it remains one of nature's secrets
双语例句
- 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。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - For me, geology is a closed book.
对我来说地质学是一门我完全不懂的学科。 - She stopped reading and closed the book.
她停止阅读，合上书。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - As far as I'm concerned the accident is a closed book; I just want to forget it.
就我而言，这事件已过去了，我只想忘掉它。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - Even though she has lived in Beijing for several years, Chinese men are still a closed book to Cathie Watson.
即使已经在北京生活多年，凯蒂•沃森对于中国男士还是知之甚少。 - Twice he closed the book on his forefinger to look at the name of the author. Swinburne!
他两欢用食指插着合上书看，作者的名字，史文朋！