NASA's George Diller said the station is easily visible from Earth because it is more than "It is a large object, getting bigger all the time."

VOA: standard.2010.04.05

- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.

部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。

麻省理工公开课 - 化学原理课程节选

When, you know, studies is like getting really hard because it's like midterm time or final time.

每当期中或期末考试来临，功课很难的时候，

想吃中餐的时候 - SpeakingMax英语口语达人

"So clearly that is a major concern for us. If you think in terms of just basic health services or even more acute health conditions, there is a fear that people who were there at the time of the flooding are not getting the treatment that they should be."

VOA: standard.2009.09.08

But,it's hard,if you're fourty-seven years, your job is a pretender to the throne, it's difficult.He had a hard time getting around.

但是,如果你要花四十七年,去争夺王位,是很不容易的,他做得很艰苦

耶鲁公开课 - 1871年后的法国课程节选

The amount of time that each chord is holding is getting shorter and shorter and shorter as we drive into that cadence.

每个和弦持续的时间变得越来越短,越来越短，将我们带进这一段音乐的终止式。

耶鲁公开课 - 聆听音乐课程节选

The AMT is getting extended year by year anyway so why not just deal with that one time and get it off the books.

既然越来越多的人需要交替代性最低税,何不一了百了，让大家都交,然后废掉不就结了。

斯坦福公开课 - 经济学课程节选

I just doubled the indentation each time so you can see it. So each successive call, notice what's happening. The argument is getting reduced. And we're going another level in. When we get down to this point, we're calling it with just a string of length one.

因此每次成功调用注意它的过程,我们的命题不断简化，而且我们不断深入嵌套,当我们走到这一步的时候,我们就是在调用它处理，仅有一个元素的字符串了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because here he was for the first time in-- well, since my wife and I were together-- someone else is getting much more attention than I was, no matter how much I cried.

因为这是妻子和我在一起后-,第一次有人夹在中间-,另一个人比我获得更多的关注，不管我怎么哭。

哈佛公开课 - 幸福课课程节选

In fact, we'll talk about that concept throughout the course because one of the big challenges of making these sort of new biological therapies work in people to treat diseases is getting the right molecules into the right cells, at the right period of time.

实际上,我们会讲到一个,贯穿这门课程的概念,因为为了治疗疾病,而采用的新型生物学疗法,所面临的一个大问题就是,如何将正确的分子在适当的时候,转进正确的细胞当中

耶鲁公开课 - 生物医学工程探索课程节选

I need to spend less time at the office and more time with my family, telling the people that I love that I love them, doing the things that are important to me, spend less time worrying about getting ahead, making money,getting the plasma TV,whatever it is.

我要花更少时间在工作上，多陪陪家人，告诉我爱的人们我爱他们，做那些对我来说重要的事情，不再浪费时间担心如何获得成功，想着赚大钱，买等离子电视什么的。

耶鲁公开课 - 死亡课程节选

Yeah. Log. It's a good think, but why do you think it's log? Ah-ha. It's not a bad instinct, the length is getting shorter each time, but what's one of the characteristics of a log algorithm? It drops in half each time.

对了，对数，这是个好想法,但是你们为什么认为是对数呢？,啊哈，这样的本能不错，每次长度都会缩小些,但是对数算法的特性是什么。

麻省理工公开课 - 计算机科学及编程导论课程节选