sadistic

形容词 sadistic:

1. deriving pleasure or sexual gratification from inflicting pain on another

1. The guards are sadistic beasts and their leader is the devil incarnate.
   那些警卫都是残暴的野兽，他们的首领是个魔鬼的化身。
2. The guards were sadistic beasts and their leader was the devil incarnate.
   那些警卫都是残暴的野兽，他们的首领是个魔鬼的化身。