closed book

closed book 基本解释

n. 一无所知的东西; 已结束的事（计划、行动等）

词组短语

1、a closed book 看不懂的书,天书,专业书

closed book 用法和例句

1、a closed book

不为人们所知的事, 秘密

2、One Hour Closed Book Lecture Quiz

一小时的关书随堂测验

3、I'm afraid accountancy is a closed book to me.

我恐怕对会计学一窍不通。

4、For many people the Bible is a closed book.

大多数人对《圣经》一无所知。

5、Are you experiencing any discomfort You are a closed book.

你已经成为过去了。

6、The actress'life a closed book to us.

那个女演员得生活对我们来说是个秘密。

7、Hold the CLOSED book in your hand on your lap or on a table.

把关住得书握在手上, 或者腿上或者在桌子上。

重点词汇

closed a. 关闭的, 限于少数人的 [计] 关闭指令

book n. 书；卷；课本；账簿 vt.& vi. 预订 vt. 登记；（向旅馆、饭店、戏院等）预约；立案（控告某人）；订立演出契约 adj. 书的；账簿上的；得之（或来自）书本的；按照（或依据）书本的