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
- He closed the book, marking his page, and placed it on the table beside him.
他关闭了书，标示他的页，而且放它在他旁边的桌子上。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - 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。 - 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。 - 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。 - 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。 - Economics was a closed book to him.
他对经济学一窍不通。 - 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。 - 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！