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。 - Politics is a closed book to me.
政治对我一窍不通。 - 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。 - She stopped reading and closed the book.
她停止阅读，合上书。 - The exams will be closed book unless otherwise indicated.
如无明确指示，测验将闭卷进行。 - 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。 - I'm afraid accountancy is a closed book to me.
我恐怕对会计学一窍不通。 - Economics was a closed book to him.
他对经济学一窍不通。 - Nick closed his book and put it down.
尼克把书合上后放下。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。