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
- 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。 - The final is a closed book test, but you may bring a one-page outline to the exam to consult freely.
虽然期末考试不得翻书，但你可以携带一页的大纲前来应试。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - The man's early life is a closed book.
那人的早年生活是个不可告人的谜。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - Twice he closed the book on his forefinger to look at the name of the author. Swinburne!
他两欢用食指插着合上书看，作者的名字，史文朋！ - 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。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。