第一， 迷你对话

　　A: I would better choose Hilary to be the next president. What’s your opinion？

　　我更想选Hilary做下届的总统，你的意见如何呢？

　　B: I donot know beans about politics.

　　我对政治一窍不通。

　　第二， 地道表达

　　not know beans (about something)

　　1. 解词释义

　　Not know beans about something是美国俚语，表示对某事一窍不通，一点也不了解，对什么都不知道，相当于know nothing about something。

　　2. 拓展范例

　　e.g. They do not know beans about exothermic chemical reactions.

　　他们对放热的化学反应一无所知。

　　e.g. As a matter of fact, I do not know beans about this book.

　　其实，我对这本书一无所知。

　　e.g. I do not know beans about it except what I have read in the papers.

　　除了在报上读到的以外,我对这件事一无所知。

　　e.g. To be plain with you, I do not know beans about it.

　　坦白对你讲，我对此一无所知。

　　第三， 咬文嚼字

　　would better：最好还是

　　e.g. If you want to catch that train we would better set off for the station immediately .

　　你要是想赶上那班火车，咱们就最好马上动身去火车站。

　　e.g. You would better put the idea of marriage with Mary out of your head .

　　你最好打消和Mary结婚的念头。