vicious

/ˈvɪʃəs/

(of persons or their actions) able or disposed to inflict pain or suffering

中文释义：恶毒的；凶残的

The dog gave a vicious growl when the stranger approached.

陌生人靠近时，那只狗发出凶残的咆哮。

She was the victim of a vicious cyberbullying campaign at school.

她在学校成为了一场恶毒网络欺凌活动的受害者。