毒辣的英文：
acrimony

One’s clever schemes are poisonous and cruel
心计毒辣

That scoundrel harbored a murderous heart.
那个歹徒心肠毒辣。

As well as the sinister landlord Huang Shiren.
以及黄世仁的阴险、毒辣

The police are confounded by the seeming absence of motive—not for the murder itself—but for the atrocity of the murder
由于表面上找不到动机——不是杀人的动机——而是杀人手段这么毒辣的动机，警察局竟弄得一筹莫展。

The dispute was settled without acrimony.
这场争论未剑拔弩张而获解决。

The acrimony of his remarks alienated his audience.
他说话尖刻，这使观众和他疏远了。

His tendency to utter acrimonious remarks alienated his roommates.
他老是说话尖刻，使同寝室的人和他疏远了。

His marriage disintegrated, and an acrimonious divorce that took away most of his assets.
他的家庭发生了纠纷，一场唇枪舌剑的离婚官司耗费了他绝大部分资财。

"I don't like to have people put on airs like that," muttered Favourite, with a good deal of acrimony
“我不喜欢有人装这种腔,”宠儿气愤愤地说。