施虐狂地;性施虐狂地in a way that involves getting pleasure, sometimes sexual, by being cruel to or hurting another person
He appeared to enjoy sadistically tormenting his weak sister. 他似乎很喜欢虐待和折磨他软弱的妹妹。
The mother is portrayed as sadistically abusive. 这位母亲被描绘成一个施虐狂。
See: sadist