书是我们每天都要接触到的东西。
“读书使人明智”“书是人类进步的阶梯”
那么，我们今天就来谈一谈书“book”这个词
看看下面几个短语你到底认不认识


open book
If someone is an open book, it is easy to know what they are thinking and feeling.

在形容人的时候用到open book，
其实是在形容，这个人非常坦率，很容易看透，可以很好交流。


例句：
William is an open book. That‘s why he has a lot of friends.
William 是个坦率的人。
这是他有很多朋友的原因。

There is no reason to be full of secrets.
It will be much more relaxed for us to be an open book.
没有理由变得充满秘密。
对于我们来说，做一个坦率的人会放松很多。





02

closed book
A closed book means a subject about which you know or understand nothing.
如果有人说这个事情对他来说是closed book，就表示，他对这件事一窍不通。
这个短语的意思可能是这样由来的：
很多事情我们不懂，是因为不读书，
所以"合上书closed book ”就代表不了解，一无所知。
例句：

I think physics is just too difficult for me to understand.
It is a closed book to me.
我认为物理对我来说太难了，我不明白。

I am afraid math will always be a closed book to me .
我真担心我永远对数学一窍不通。



03

best-sellers
Best sellers means a new book or other product that has sold a great number of copies .

Best-sellers 的意思为“畅销书，畅销唱片”。



例句

Who Moved My Cheese is one of the best-sellers of this season.

谁动了我的奶酪这本书是本季最畅销的书之一。

Where is the shelf of best-sellers?

畅销书的书架在哪？