Researcher Reed Johnson, now at the University of Nebraska-Lincoln, says the study suggests that the damaged proteins are unable to respond effectively when attacked.

VOA: special.2009.09.15

The problem is as simple as the fact that millions of people who are unable to move or to communicate.

问题很简单,数以百万的人们无法行动，或者与人交流。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

And such people are unable to learn and use language.

这些人无法学习和使用语言

耶鲁公开课 - 心理学导论课程节选

Yet,in the developing world, many are unable to enjoy even the most basic human rights.

VOA: special.2010.06.24

And he argues that indigent citizens, who are unable to provide for themselves, should not be forced to rely simply upon the private charity of individuals but should be maintained at public expense.

对于那些因贫困而无法养活自己的人，他却认为不能让他们，完全依靠私人的慈善救济过活,而应当用国家公共支出,建立相应的保障来维持他们的生活。

耶鲁公开课 - 政治哲学导论课程节选

live so much in the past that they are unable to face the present.

VOA: special.2010.01.10

That will be--No, not at me, at each other, and that will be the person If you are unable to resolve this dispute yes, you two, please--if you are unable to resolve this dispute, the person to the right of me will be the smiler.

这将是，不，不是我，互相看，将是这个人,如果你不能解决这个争端的话,对，你们俩，请，如果不能解决，我右手边为微笑方。

耶鲁公开课 - 心理学导论课程节选

In the book, she noted that people were living in "a world where men have decided to die together because they are unable to find a way to live together."

VOA: special.2010.08.08

Why are we unable to talk to a crowd as we talk to a single friend?

为什么我们不能跟一群人讲话,却可以单独同朋友高谈阔论？

耶鲁公开课 - 心理学导论课程节选

I think most Israelis agree that the Palestinians are unable to be a real partner in the real future."

VOA: standard.2009.10.31

But with threats, a language barrier and fear of the legal system, victims often do not or are unable to seek help.

VOA: standard.2010.05.24

So,when you think about that, without an education they are unable to care for their family,"

VOA: standard.2009.12.04

"From the Polish perspective, we are unable to defend ourselves by our own means.

VOA: standard.2009.10.22

But Tarrin calls for the major industrial countries to ensure continued support to developing economies because they are unable to maintain large stimulus packages like those in the industrial world.

VOA: standard.2009.04.06

President Obama said the current system has led the country to a breaking point, imposing hardships on middle-class Americans who struggle to pay for health care, who are unable to obtain it.

VOA: standard.2009.09.10

These people are current in their payments but unable to get lower interest rates because their home value has fallen.

VOA: special.2009.02.20

But with threats, a language barrier and fear of the legal system, victims are often unwilling or unable to seek help.

VOA: special.2010.06.14

The court can try people for genocide, war crimes and crimes against humanity when their own countries are unwilling or unable to.

VOA: special.2010.06.21

She says many students are sleepy and unable to pay attention in class because there is not enough food for them at home.

VOA: special.2009.08.24

"Hands-Only" is for people who are unwilling or unable to perform rescue breathing.

VOA: special.2009.08.11

Women unable to control their bladder and bowel movements are often abandoned or neglected by husbands and family.

VOA: standard.2009.12.23

Political analyst and editor of Nepal's Samay magazine,Yuvraj Ghimre, says their efforts to form a government for the second time are not succeeding because they have been unable to work in cooperation with other parties.

VOA: standard.2010.07.29