the quality or fact of being cruel and showing an intention to hurt or upset someone

I don't think he expected the viciousness or nastiness of the book. 我认为他没有预料到这本书会写得这么恶毒肮脏。

They subject their opponents to hate campaigns of rare viciousness. 他们使对手遭受罕见恶毒的仇恨攻击。

the quality or fact of being violent and causing great pain

We weren't prepared for the ferocity and viciousness of the attack. 我们没有为袭击的凶猛和恶毒做好准备。

It was a racist attack of shocking viciousness. 这是一次令人震惊的恶毒的种族主义袭击。