In the ancient world, it was probably rare to castrate a dog or cat.

古时候可能很少阉割猫或狗。

《柯林斯英汉双解大词典》

You can still have fight club, but we're not going to castrate anyone, anymore.

搏击俱乐部可以开下去，不过我们再也不阉人了，一个也不阉了。

youdao

Where even if they don't kill you, if someone loves you enough to take you home, they still castrate you.

他们不会杀你，就算有人很有爱心的带你回家，他们还是会毫不留情的把你阉了。

youdao

So, they come to the conclusion that their father is going to castrate them because of their illicit love for their Mom.

所以他们最终总结出,父亲会因为他们对母亲,抱有非分之想而阉割他们。

耶鲁公开课 - 心理学导论课程节选

The latency stage is they've gone through this huge thing with Mom and Dad, "fell in love with Mom, wanted to kill my father, dad was going to castrate me, " fell out of love with Mom, out of the sex business."

在潜伏期阶段,儿童不再纠缠于恋父或恋母情结，从“爱上母亲，想要弑父，父亲要阉割我“，过渡到，“不再恋母，不再对性感兴趣“

耶鲁公开课 - 心理学导论课程节选

Meanwhile, she has shown significant signs of suffering from her state of gender limbo, even trying to castrate herself once and attempting to kill herself more than once.

FORBES: Is Sex Reassignment Surgery a Basic Human Right?