诋毁

His comments cast a slur on the integrity of his employees.

他的评论是对其雇员正直品质的诋毁。

People often derogate what they don't understand.

人们常诋毁他们不懂的东西。

And commercial defamation is guessed to remain the same with the 'Warcraft' operation dispute concerned.

而商业诋毁被猜测仍旧与“魔兽”运营纠纷有关。

I hate to do anybody down, but I do think that Malcolm is a right prat.

厌恶诋毁任何人，但确实认为马尔科姆是一个下流坯。