"A lot of time homeless children's families are in chaos and homework is the last thing that parents want to be worrying about."

VOA: special.2011.01.27

And this is the familiar result from ordinary mechanics, where you're not worrying about something like entropy for a whole collection of particles.

在普通力学中，如果不关注大量粒子的熵，诸如此类的物理量的话,这就是我们通常见到的结果。

麻省理工公开课 - 热力学与动力学课程节选

Socrates instead spends some time worrying about the question: is the soul really like harmony or not?

取而代之的是花时间,研究一个问题：,即灵魂是不是真的像和声一样？

耶鲁公开课 - 死亡课程节选

Tanaka This is Tanaka who you just saw was the only one I found at the place when we were looking for someone for an interview. And she gave us this fascinating story of what is the life for a mother worrying about her daughter in this time of changes.

刚才你们看见的是,是我在采访时发现的唯一的人,她给我们讲述了一个,非常感人的故事,是关于母亲如何担心她女儿的。

麻省理工公开课 - 媒体、教育、市场课程节选

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