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。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - 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。 - 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。 - 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。 - 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 most of us.
我们大多数人对原子核物理学一窍不通。 - As far as she is concerned, her marriage is a closed book.
对她来说，她的婚姻已经彻底结束了。 - Economics was a closed book to him.
他对经济学一窍不通。