Mistakes crack their self-confidence because they attribute errors to a lack of ability, which they feel powerless to change.
出自-2016年12月閱讀原文
mistakes crack their self-confidence because they attribute errors to a lack of ability, which they feel powerless to change.
2016年12月四級真題（第二套）閱讀 Section B
When people find they are powerless to change a situation, they tend to live with it.
出自-2015年12月閱讀原文
This inconsistency largely stems from a feeling of powerlessness.
出自-2015年12月閱讀原文
Teenagers climbed dozens of flights of stairs to deliver water and food to elderly people trapped in powerless high-rise buildings.
2016年高考英語北京卷 閱讀理解 閱讀B 原文
Because most of us believe that mind is separate from matter， we think that thoughts can be hidden and made powerless； this allows us to think one way and act another.