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。 - Economics was a closed book to him.
他对经济学一窍不通。 - Philosophy is a closed book to me.
我对哲学一窍不通。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - When he finished, the author blew gently to dry the ink, then methodically closed the book and tied it securely with a red satin ribbon.
当作者写完故事，他轻轻地吹干字中的墨迹，接着有条不紊地合上书，在书上牢牢地系上了一条红色的绸缎带。 - 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。 - 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。 - Sarah closed the book and laid it aside.
萨拉合上书，把它放在了一边。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。