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
- 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。 - Slowly he closed the book.
他慢慢合上书。 - 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。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - 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。 - 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。 - The exams will be closed book.
考试为闭书考试。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。