He had so totally given himself to scientific studies that he could not be weakened by a second love.

VOA: special.2009.09.26

And they were weakened as a result, and so the Spaniards, even in fewer numbers, were able to conquer.

最终他们变得很虚弱,所以这群西班牙人,尽管数量很少,还是取得了胜利

耶鲁公开课 - 生物医学工程探索课程节选

The son probably died of TB, but it related to all this other business in his weakened state.

他最终可能死于肺结核,但这也和他一落千丈的地位有关

耶鲁公开课 - 欧洲文明课程节选

During the administrations of Andrew Johnson and Ulysses Grant, Congress had weakened many powers of the president.

VOA: special.2010.03.11

So this could be summarized as the law of effect, which is a tendency to perform an action's increased if rewarded, weakened if it's not.

这种行为上的变化被称之为效果律，也就是说，行为倾向随奖励而增加，随惩罚而减少。

耶鲁公开课 - 心理学导论课程节选

Using this method,Freud reasoned, the pain and emotional pressure of the past would be greatly weakened.

VOA: special.2010.04.13

The idea of the immigration model is that Hebrew settlement would have probably occurred at about the same time in the latter part of the thirteenth century The Hebrews could take advantage of all of these upheavals and the weakened hold of Egypt.

移民模型的观点是,希伯来人的定居可能发生了,大约也在十三世纪后半叶,希伯来人会利用所有这些激变,以及埃及的衰落。

耶鲁公开课 - 旧约导论课程节选

It is a live vaccine, made of a weakened version of the whole malaria parasite.

VOA: special.2010.04.20

Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.

真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内

耶鲁公开课 - 生物医学工程探索课程节选

But Legionella bacteria can cause a form of pneumonia in people with weakened immune systems.

VOA: special.2011.04.06

In any war, particularly in this kind of war, reconciliation is something that typically happens very few wars end with total victory or total defeat, usuallly war ends with the parties get tired of or weakened enough.

在任何形式的战争，尤其是这样的战争中，和解很普遍,很少有战争是以全面胜利或者全面失败结束的，通常情况都是两方都疲惫不堪,被战争严重削弱。

普林斯顿公开课 - 国际座谈会课程节选

for an extended period." Low interest rates and growing federal deficits have weakened the dollar.

VOA: special.2009.11.06

But,they warn that persons with weakened defenses for fighting disease are at greater risk.

VOA: special.2009.10.13

Some scientists say a weakened ability to identify smells may be involved.

VOA: special.2009.09.15

Making a guitar with a solid body permitted the sound of the strings to last longer because their vibrating energy was not weakened by a vibrating sound box.

VOA: special.2009.09.27

But for a moment, his self-control weakened.

VOA: special.2009.12.24

The weakened stems break easily.

VOA: special.2009.08.18

Many people are desperate to leave behind the rubble-strewn streets and precarious structures that have been weakened by dozens of aftershocks.

VOA: standard.2010.01.21

Whitman notes that the report says violent groups have been weakened, but are still capable of conducting large attacks.

VOA: standard.2009.03.31

But MEND has been severely weakened since dozens of its field commanders and thousands of gunmen accepted President Yar'Adua's amnesty offer and disarmed.

VOA: standard.2009.12.21

Many of the aftershocks have been measured at over magnitude 5 enough to cause additional damage, including toppling structures weakened by the original earthquake.

VOA: standard.2010.01.13

Professor Rais says expanding missile strikes also holds great risks for the already shaky Pakistani government, further weakened by this week's political battle over the judiciary.

VOA: standard.2009.03.19

The voice,believed to be that of Bin Laden, thus concludes President Obama is a weakened man and powerless to change course in Afghanistan because of "pressure groups."

VOA: standard.2009.09.14

Some Middle East analysts say it is no secret that the Gaza blockade has not significantly weakened Hamas, which Israel and the United States say is an Iranian-backed terrorist organization.

VOA: standard.2010.06.10

That has led to charges by Republicans the economic recovery is an illusion, funded by inefficient government spending that has weakened America's long-term economic position by vastly expanding the national debt.

VOA: standard.2009.11.01

"I don't think at this stage, nobody knows whether BP will be forced to be broken up, whether it might actually end up being so weakened that it falls into the arms of somebody else."

VOA: standard.2010.06.18

Polls show public support for Mr.Obama's push for health-care reform has weakened in recent weeks, and the constant drumbeat of criticism at the town hall meetings has fed the perception that the political momentum for reform has slowed.

VOA: standard.2009.08.12

A Western diplomat close to the EU meeting in Harare told VOA it is clear that Mr.Mugabe is blocking full compliance with the political agreement in order to buy time to rebuild ZANU-PF, which has been weakened by internal quarrels and a loss of popular support, even in its traditional strongholds.

VOA: standard.2009.09.15