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。 - She stopped reading and closed the book.
她停止阅读，合上书。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - 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。 - 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。 - 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。 - Slowly he closed the book.
他慢慢合上书。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - 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。