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
- Nick closed his book and put it down.
尼克把书合上后放下。 - 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。 - Even though she has lived in Beijing for several years, Chinese men are still a closed book to Cathie Watson.
即使已经在北京生活多年，凯蒂•沃森对于中国男士还是知之甚少。 - The exams will be closed book.
考试为闭书考试。 - 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 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。 - 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。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - 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。