word:
1、exhaustion：n. 精疲力竭;疲劳
原文：Even the best-controlled feel a kind of exhaustion at keeping it all together and wonder if life is supposed to be such a struggle.
2、sabotage：vt. 妨害；对…采取破坏行动
原文：........willpower was sabotaging their success and creating unnecessary stress.
3、To my delight：令我高兴的是
4、autopsy：n. 验尸；尸体解剖；尸体剖检
原文：For every willpower mistake, we ll conduct a kind of autopsy.
5、sleuth：vi. 做侦探；侦查
原文：I ll even ask you to conduct some field studies, such as sleuthing out how retailers use store design to weaken your self-control.
sentence:
1、The course brings together the newest insights about self-control from psychology, economics, neuroscience, and medicine to explain how we can break old habits and create healthy habits, conquer procrastination, find our focus, and manage stress.
2、Of course, as any honest teacher will tell you, I learned a lot from my students as well. They fell asleep when I droned on too long about the wonder of a scientific finding but forgot to mention what it had to do with their willpower challenges. They were quick to let me know which strategies worked in the real world, and which fell flat (something a laboratory study can never tell you).
作为一个资深的学者，作者依然能够发现、承认自己存在的不足并主动学习，积极改正，这个小细节让我觉得这才是大家。积极主动的正视自己的不足，不逃避问题，也是需要强大意志力的，社会地位越高，越难实现。
summary
导语中，作者对意志力的含义做了介绍。提出了意志力对人们日常生活的影响和意义，并在导语中提出了锻炼意志力可以从三个方面入手：一是自己逃避的、害怕的事情，二是自己希望改掉的坏习惯，三是自己想要实现的目标。看来是时候跟着书直面自己的缺点了.
