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。 - She stopped reading and closed the book.
她停止阅读，合上书。 - Slowly he closed the book.
他慢慢合上书。 - 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。 - 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。 - 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。 - 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。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。