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。 - Nick closed his book and put it down.
尼克把书合上后放下。 - 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。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - As far as I'm concerned the accident is a closed book; I just want to forget it.
就我而言，这事件已过去了，我只想忘掉它。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - The dense dark jungle, obviously a closed book to an outsider, is an open book to the aboriginals.
黑暗稠密的丛林，对外来者显然是神秘莫测的，但对土著来说却毫无神秘可言。 - I'm afraid physic will always be a closed book to me.
恐怕我对物理窍不通。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。