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 exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - 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。 - Nuclear physics is a closed book to most of us.
我们大多数人对原子核物理学一窍不通。 - Politics is a closed book to me.
政治对我一窍不通。 - Mathematics was a closed book to me all through school.
在整个求学期间，我对数学一窍不通。 - Frank Spriggs was a very able man but something of a closed book
弗兰克·斯普里格斯是一个很有才干的人，但是有些让人捉摸不透。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - 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。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。