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 physic will always be a closed book to me.
恐怕我对物理窍不通。 - 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。 - 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。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - As far as she is concerned, her marriage is a closed book.
对她来说，她的婚姻已经彻底结束了。 - Philosophy is a closed book to me.
我对哲学一窍不通。 - The man's early life is a closed book.
那人的早年生活是个不可告人的谜。