They need to immunise teams against group-think: Hackman argued that the best ones contain"deviants" who are willing to do something that may be upsetting to others.
2017年6月四级真题(第三套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
心烦的;苦恼的;沮丧的
If you are upset, you are unhappy or disappointed because something unpleasant has happened to you.