They can develop as flat, discolored areas of skin or as raised growths, often with a rough surface.

VOA: special.2010.07.06

He doesn't name the swan, just as he doesn't name the "rough beast" in "The Second Coming."

他没说这天鹅叫什么，就如在《三贤》《第二次降临》,他也没说粗鄙的野兽的名字“

耶鲁公开课 - 现代诗歌课程节选

So, university professors have teaching evaluations and you could use this as a rough and ready approximation of what students think of them.

大学教授要接受教学评估,你可以借此大致地概括出,学生对教授有什么看法。

耶鲁公开课 - 心理学导论课程节选

He organized a force of horse soldiers known as the "Rough Riders."

VOA: special.2010.08.05

So the rough numbers for this are as follows and actually later on in the class I'll give you some more accurate numbers, but these will do for now.

大概的数据如下,一会我会提供更精确的数据,我一会儿会给大家更精确地数据,目前为止这些数据就够用

耶鲁公开课 - 博弈论课程节选

The group became known as Roosevelt's "Rough Riders."

VOA: special.2010.07.15

Now as I say, I made this calculation some years ago It doesn't really matter how inaccurate it's going to be As we'll see it's very rough but it makes the point ? How many people are there?

现在就像我说的，我很多年前做了这个计算,到底它有多不精确其实无所谓,我们会看到,这个计算很粗糙,但却给出了一个说明,有多少人？

耶鲁公开课 - 死亡课程节选