He leaned back against the tree to take out his knife.

VOA: special.2010.05.01

I want to go back to the arguments for and against the redistribution of income.

我想继续回到对收入再分配问题,赞同与否的论辩。

耶鲁公开课 - 公正课程节选

Well, I actually think the Russian formalists can be defended against the charge that, unbeknownst to themselves, they fall back in to form-content distinctions by insisting on this variety of dualities.

但是我认为,这些形式主义者们在不自觉中，对于形式和内容的双重性,太过偏执。

耶鲁公开课 - 文学理论导论课程节选

I quickly stood up. My back was against the cave wall.

VOA: special.2010.07.10

The state could strike back with unparalleled savagery against those people who got in the way, and that's what happened at the commune, in the Paris Commune.

但它竟也可以以空前野蛮的步伐倒退,就为了对抗那些阻碍了他们的人们,这就是在公社时期所发生的,巴黎公社时期

耶鲁公开课 - 1871年后的法国课程节选

On Sunday, the United States overpowered China, coming on a power play against the U.S.team's back-up goaltender in the final three minutes.

VOA: standard.2010.02.15

If possible, your back relaxing against the back rest.

如果可以，后背在靠背上放松。

哈佛公开课 - 幸福课课程节选

The head of the Interior Ministry,Rehman Malik, told reporters Saturday the additional troops will be pulled back from some areas of western Pakistan, where they have been fighting against Taliban militants.

VOA: standard.2009.03.14

And with the arguments about the lifeboat in mind, the arguments for and against what Dudley and Stephens did in mind, let's turn back to the philosophy, the utilitarian philosophy of Jeremy Bentham.

带着对救生艇上发生事件的讨论，即对达德利和斯蒂芬斯行为赞同与否的讨论，让我们再回归，杰里米·边沁的功利主义哲学。

耶鲁公开课 - 公正课程节选

"Commonly,it's a threat against their family back in their home country and it's used to put that person in a position where they feel compelled to provide labor or service in the United States."

VOA: standard.2010.05.24