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
- 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。 - 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。 - Sarah closed the book and laid it aside.
萨拉合上书，把它放在了一边。 - 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。 - 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。 - Economics was a closed book to him.
他对经济学一窍不通。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - He closed the book, marking his page, and placed it on the table beside him.
他关闭了书，标示他的页，而且放它在他旁边的桌子上。