"Not one of them ever showed me that it would be easy and free of difficulty or problems.

VOA: standard.2009.10.08

They are quite distinct from each other, and you should be able to manage with that final exam without undue difficulty.

它们都各有特点,你需要在期末考之前解决所有困难。

耶鲁公开课 - 1945年后的美国小说课程节选

Well,we could say that,but the difficulty is there seems to be no good reason to favor the Michigan fellow over the New York fellow.

我们是可以这么说，但问题似乎是,我们没有充分理由去偏爱密西根一方。

耶鲁公开课 - 死亡课程节选

And, likewise, there will be a test running from 1:05 to 1:55: two different tests of comparable difficulty. I did this last year, and the difference in the scores on all three tests 1% was less than 1%.

还有，测试的时间会是,从1点5分到1点55分，两个不同的测试,但是难度差不多，我去年这样做过，3个测试的分数的区别,不到。

麻省理工公开课 - 固态化学导论课程节选

It poses other kinds of difficulty, let's say; but in the case of fiction, in order to be engaged, in order to enter the hermeneutic circle properly, we need the element of surprise, as I say, as a way of distinguishing between fiction and nonfiction.

它的确带来了其它困难，我们可以这样说;,但是在读文学时，为了投入进去，为了合适地进入解释循环，我们需要“惊讶“这个元素，正如我所说，作为区分文学和非文学的一点。

耶鲁公开课 - 文学理论导论课程节选

And the difficulty with that approach, even if we break the question, whether not there're souls, the difficulty at the approach was that it seems as though the soul could constantly be changing while the personality who might call stays the same.

这种前提的难点在于，即使我们将问题分解，先不管灵魂是否存在，难点还在于,似乎灵魂可以,不断地改变，而人格,这个重要的方面，却保持不变。

耶鲁公开课 - 死亡课程节选