The professor has a vicious enemy to defeat, central intelligence agents to outsmart and a friend to save.

VOA: special.2009.10.09

For the Left, it was a sign that the state is strong, powerful, and can be vicious.

左派看来,它标志着国家是强大有力的,同时也可能是邪恶的

耶鲁公开课 - 1871年后的法国课程节选

And by the time I'm 500,I become completely self-absorbed and I'm sort of a vicious,cruel,vile person.

00岁的时候，我变得完全自私,我变得邪恶，残酷和卑鄙。

耶鲁公开课 - 死亡课程节选

In Ghana, a spider called Myrmarachne foenisex is an excellent mimic of the red weaver ant, a vicious creature with a nasty sting.

ECONOMIST: Insects and mimicry

Turley says he was once in the training room after a game with a young linebacker who had suffered a vicious hit on a kickoff return.

NEWYORKER: Offensive Play

Still, the fact that these industry giants retained the highest rating calmed investors, who had worried that downgrades could trigger a vicious cycle, a fore-selling of bonds, leading to more losses for the big banks and increased credit costs for consumers, city government and others.

NPR: Stocks Climb as Ambac, MBIA Keep Ratings