He became rebarbative and prickly and spiteful; I find his obsequiousness repellent.

他变得令人讨厌、易发怒，怀有恶意；我发现他奉承令人厌恶。

It was very spiteful of her to do that.

她干那件事是怀有恶意。

He gave her a spiteful pinch.

他恶意地拧她一下。