四级Mistakes crack their self-confidence because they attribute errors to a lack of ability, which they feel powerless to change.

错误会打击他们的自信心，因为他们把错误归因于缺乏能力，而他们感到无力改变。

2016年12月阅读原文

高考Teenagers climbed dozens of flights of stairs to deliver water and food to elderly people trapped in powerless high-rise buildings.

十几岁的青少年爬上几十段楼梯，为困在无力动弹的高层建筑中的老人送去水和食物。

2016年高考英语北京卷 阅读理解 阅读B 原文

六级When people find they are powerless to change a situation, they tend to live with it.

当人们发现他们无力改变一种情况时，他们倾向于接受它。

2015年12月阅读原文

考研Trains refused to move and the people in them sat in the dark, powerless to do anything; lifts stopped working, so that even if you were lucky enough not to be trapped between two floors, you had the unpleasant task of finding your way down hundreds of flights of stairs.

火车拒绝移动，车上的人坐在黑暗中，无能为力；电梯停止工作，所以即使你很幸运没有被困在两层楼之间，你也要完成一项令人不快的任务，那就是找到下数百层楼梯的路。

1984年全国硕士研究生入学统一考试英语试题

考研The oiling is done with higher wages, well-ventilated factories and piped music, and by psychologists and “human-relations” experts; yet all this oiling does not alter the fact that man has become powerless, that he does not wholeheartedly participate in his work and that he is bored with it.

加油是通过更高的工资、通风良好的工厂和管道音乐，以及心理学家和“人际关系”专家来完成的；然而，所有这些加油并不能改变这样一个事实：人已经变得无能为力，他没有全心全意地参与他的工作，他对此感到厌倦。

1993年全国硕士研究生入学统一考试英语试题

考研And the bank has done this even though its advisors say the dam will cause hardship for the powerless and environmental destruction.

尽管该银行的顾问表示，大坝将给无权者带来困难，并破坏环境，但该银行还是这样做了。

1998年全国攻读硕士学位研究生入学考试英语试题