The expression probably comes from the physical act of turning your back toward someone, instead of speaking to him face-to-face.

VOA: special.2009.12.13

- So that brings us back to -- it's a feature that will be disabled by tonight, I'm sure.

所以那个带我们回到-,这个特征在今天晚上会被关闭，我确定。

哈佛公开课 - 计算机科学课程节选

We've had super sections, as we called them this past week, really to -- available to anyone who would like to attend.

我们有超级零件，这是过去的这个星期所叫做的名字，实际上--对于想进入的任何人来说都是可用的。

哈佛公开课 - 计算机科学课程节选

There were many changes in the social customs and day-to-day life of millions of Americans during the administration of President Calvin Coolidge.

VOA: special.2011.01.06

So, goes to -- he's a barbarian, but the barbarians came to the Delphic Oracle too, because you want to know what the gods want.

因此,他去了,虽然他是个暴君,但是暴君也得去神示所,因为他想知道神想要什么

耶鲁公开课 - 古希腊历史简介课程节选

It has easy appeal for the bully because it does not involve face-to-face contact and it can be done at any time.

VOA: special.2010.04.22

What's important in My Fair Lady is to - repeat the repetitiousness of verse-- the rain in spain falls mainly on the plain -in terms of the tautology of the plot.

重要的是窈窕淑女中,这种韵律的加强-,“西班牙之雨大多洒落于平原之上“,韵律的反复加强了情节。

耶鲁公开课 - 文学理论导论课程节选

Phase five is marked by human-to-human spread of the virus into at least two countries in the same area of the world.

VOA: special.2009.05.06

And if I were to use that again, I'd just put it on your handout, I could go back and rewrite that thing that I had previously for finding the square roots of the perfect squares, just using the FOR loop. OK. What I want to do, though, is go on to-- or, sorry, go back to - my divisor example.

它可以是任意的集合,如果我又要去用这个方法的话,我会把它放在你们的课堂手册上的,我可以回过头去用FOR循环，重新写我们那个求平方数的程序，我想要做的是，是继续-哦抱歉,回到-我的除数那个例子。

麻省理工公开课 - 计算机科学及编程导论课程节选

And an international movement known as hospice has helped bring attention to difficult-to-treat pain for the dying.

VOA: special.2009.02.10

They like to--when they're computing the investment yield, they want to be completely honest and not use any rules of thumb.

当他们计算投资收益率的时候,他们需要完全精确,而非用经验公式

耶鲁公开课 - 金融市场课程节选

"We know only about thirty-three percent of women have access to a program that actually has services in place to prevent mother-to-child transmission.

VOA: special.2009.07.29

Now if you smiled to-- or make three people smile, and these three people-- each one makes three other people smile.

如果你的笑-,感染了三个人，这三个人-,每个人又引起另外三人发笑。

哈佛公开课 - 幸福课课程节选

He led the team of scientists. They developed a new method of making maps of hard-to-reach areas.

VOA: special.2009.11.17

Jews didn't have to--they could observe the Sabbath, they didn't have to do things on the Sabbath that they didn't want to.

犹太人不必。。。可以过安息日，安息日那天他们不用做不想做的事。

耶鲁公开课 - 新约课程节选

This is back-to-school season. But the National Retail Federation says school-related sales are down from last year.

VOA: special.2009.08.21

There's a real sense, I think, in which Milton wanted to re-create all of Western culture or to re-create all of Western culture in his own image.

我认为，米尔顿想要完全重建西方文化,或者说是按他自身的形象重建西方文化,是有切实意义的。

耶鲁公开课 - 弥尔顿课程节选

For example,there are programs in Africa that teach the skin-to-skin method, also known as kangaroo care.

VOA: special.2009.10.26

I remember when I was a student in Paris I remember going up to-- and that's where they massacred lots of people.

我记得自己在巴黎上学的时候去过个地方,有很多人在那里被屠杀

耶鲁公开课 - 1871年后的法国课程节选

These are all examples where CPR with mouth-to-mouth breathing may be more helpful that hands-only CPR.

VOA: special.2009.06.09

What they also did around the year one thousand was to identify-- to label--these particular spots--spaces and lines.

在公元一千年左右,他们还制定了规范,来标记这每一个点,间和线

耶鲁公开课 - 聆听音乐课程节选

He takes everything KaBOOM knows about building playgrounds and putsthat information online in a simple,easy-to-use design.

VOA: special.2010.11.05

And then we figure out how to-- now we've done that and this'll solve all sorts of problems."

然后我们想办法怎么样…,想出一个化解这种敌对问题“

耶鲁公开课 - 心理学导论课程节选

These easy-to-hold devices let you read and watch media or search the Internet and order products.

VOA: special.2010.01.26

There's a kind of puzzle there as to-- even if, before we move to the question, how widespread are cases like this?

这里又产生了一种疑团-,甚至在我们探讨，这种案例有多普遍之前？

耶鲁公开课 - 死亡课程节选

They were asked about their diet and day-to-day activities, as well as any pre-existing diseases.

VOA: special.2010.06.30

Do we want to be electronically delivered or do we want to have face-to-face component?

想借电子技术传达信息,还是想面对面交流？

麻省理工公开课 - 媒体、教育、市场课程节选

And unlike a machine, the skin-to-skin contact provides two kinds of warmth physical and emotional.

VOA: special.2009.05.25

There's nobody telling people what to do on a day-to-day or even a month-to-month basis.

没人告诉民众他们该怎么做

耶鲁公开课 - 欧洲文明课程节选

I was just going to--I don't know if this is one of the things, you can eat it and you can metabolize it and trap the energy.

我想说,我也不知道说的对不对,可以食用,被代谢,并从中获取能量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选