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
- 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。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - 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。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - Nick closed his book and put it down.
尼克把书合上后放下。 - 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。 - If the court rejects the deal, much potentially useful information will remain, quite literally, a closed book.
如果法院拒绝了这份协议，那么确切的说那么多有用的知识仍然只是一本合着的书而已。 - 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。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。