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All studies of mob psychology are defective in that they underestimate this viciousness .

所有暴民心理学的研究都存在一个缺陷：它们低估了这种邪恶。

" Gossip girl " reversed course and found a way saucily to make a virtue of vacuity and viciousness .

“绯闻女孩”颠倒是非，用另一种方式填补你的空虚和小邪恶。

It is hard to fathom the concept of genocide , the viciousness and betrayal of friends and neighbors killing indiscriminately .

我们很难理解种族灭绝的真正含义，正如朋友们的恶意出卖和邻里间不分青红皂白的厮杀。