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 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。 - I'm afraid physic will always be a closed book to me.
恐怕我对物理窍不通。 - 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。 - 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。 - Politics is a closed book to me.
政治对我一窍不通。 - If the court rejects the deal, much potentially useful information will remain, quite literally, a closed book.
如果法院拒绝了这份协议，那么确切的说那么多有用的知识仍然只是一本合着的书而已。 - Nick closed his book and put it down.
尼克把书合上后放下。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - 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。