在教室里吐痰是卑劣行为。
我们怎样才能防止校园暴力发生在那些有武器、父母监督不力、行为卑劣的孩子身上呢？
How can we prevent murderous schoolyard violence in children who have access to weapons, poor parental supervision, and a mean streak?
为什么整个世界都在为如此卑劣的行为而着迷？
Why has an entire world become so captivated by its basest behavior?
一名二十六岁的员警（身高一百七十一公分、体重仅有六十一公斤）表示，能参与这项任务让他感到很骄傲，他对《朝日新闻》表示：「以柔弱的女性为目标是卑劣的行为。」
A 26-year-old officer —measuring 1.71m in height and weighing in at a dainty 61kg —expressed pride in the mission, telling the daily: “It’s cowardly to target women who are weak.”
或某一个人，他除了人类最卑劣的行为和最无耻的动机以外，什么都不指望。
A person who expects nothing but the worst of human conduct and motives.
背叛朋友是卑劣的行为。
但凡恩说，最大的问题是知道如何分清幽默的恶作剧和近似于恃强凌弱行为的卑劣做法。
The big problem is knowing where to draw the line between playful pranks and meanness on the verge of bullying, Fine said.
许多人在治疗它，一堆的自助书籍也致力于这个观点，一些卑劣的行为以它为借口。
Many, many people are in therapy for it, a lot of self-help books are dedicated to it, a lot of shitty behavior is excused because of it.
他把这起谋杀称为极其卑劣的行为。
人类行为卑劣的中心就是自我。
人类行为卑劣的中心就是自我。
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