cruel

/kruəl/

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

Chinese meaning: 残忍的；残酷的

Animal testing is often criticized as being cruel and unnecessary.

动物实验常被批评为残忍且不必要。

It is cruel to keep wild animals in small cages for entertainment.

为了娱乐将野生动物关在小笼子里是残忍的。