I'm thinking about doing a little traveling,我想出去旅行一下

think about:考慮

I'll think about it while I have a chew.

我吃飯時會想想看。

think of, think about, think over 這三個詞組都與“想”有關，但所表達的含義有所不同。

think of:多用來指“想起，認為”。

昨晚我睡覺前，想起了我的父母。

Last night，before I went to bed，I thought of my parents.

你認為那本書怎么樣？

What do you think of that book?

think about:多用來指“考慮某事情或對某事進行思考”。

想想你所做的這一切吧！

Think about what you have done!

think over:think over意思是“仔細考慮，認真思考”。

在回答這個問題之前，請認真考慮一下。

Before you answer this question，please think it over.

I don't doubt that.我知道的

doubt:懷疑；不信任

常用短語: doubt of (v.+prep.) 懷疑(某事)

I doubt of her ability.我懷疑她的能力。

Such actions make me doubt of his sanity.這種行為使我懷疑他的神志是否清醒。

How do you doubt of the firm's future?你怎能懷疑公司的前景呢?