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
- I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - 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。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - Nick closed his book and put it down.
尼克把书合上后放下。 - 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。 - Economics was a closed book to him.
他对经济学一窍不通。 - 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。 - 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。 - Slowly he closed the book.
他慢慢合上书。