think about表示經(jīng)常思考、研究的意思。think over意為“仔細考慮”。think of與think about這兩個短語表示下列意義時可以互換.1、考慮，例如Don't think of/about me any more.不要再考慮我；2、對……有某種看法，例如What do you think of/about the film你認為那部影片怎么樣？

例句

I often thought about what you said．

我常常想到你說過的話。

I'll think about your suggestion，and give you an answer tomorrow．

我要考慮一下你的建議，明天給你答復。

Think over，and you'll find a way．

仔細考慮一下，你就會有辦法的。

We need several days to think this matter over．

我們需要幾天的時間把這件事情仔細考慮一下。