And I would say it was pretty intimidating taking some of those freshmen weed out classes that we know exist at the Institute.

我想说的是，让一些新生淘汰我们所知道的学院现有的课程是相当令人生畏的。

If he had already said everything that was required, he could have let the class out early rather than repeating his call for concision.

如果他已经把要求的一切都说完了，他本可以让全班早点下课， 而不是重复他要求的简洁。