对这种虐待感到无能为力是自然的。

It's natural to feel helpless against such abuse.

《牛津词典》

如果我们意识到我对自己将要死去的事实无能为力，那么也许一些刺痛，一些咬伤，就会消失。

If we then realize that there's nothing I can do about the fact that I'm going to die, then perhaps some of the sting, some of the bite, is eliminated.

youdao

难道所有的海洋资源都被滥用或开发到了海洋对人类无能为力的地步吗？

Have all marine resources been abused or exploited to the point where the sea can do nothing more for man?

youdao

It's incapable of repeating itself.

它对复制自己无能为力。

耶鲁公开课 - 弥尔顿课程节选