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
- Politics is a closed book to me.
政治对我一窍不通。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - 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。 - The man's early life is a closed book.
那人的早年生活是个不可告人的谜。 - 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。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - 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。 - Slowly he closed the book.
他慢慢合上书。