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 exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - 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 she is concerned, her marriage is a closed book.
对她来说，她的婚姻已经彻底结束了。 - 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 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。 - He closed the book, yawned, and went to bed.
他合上书，打了个哈欠，然后上床。 - Anne closed her book and stood up.
安尼合上书，站了起来。 - It's no good talking to me about physics; it's a closed book to me.
跟我谈物理等于白说，我对它一窍不通。 - 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。