为何不能让我安安静静地休息一会？

Why don't (you) let me have a little peace?

《新英汉大辞典》

为何它不能工作？

Why isn't it working?

youdao

他的妻子为何不能这么做？

Why couldn't his wife do this?

youdao

What could possibly explain why either hemisphere of the brain would normally be enough, as long as we don't transfer both?

什么能够解释为何任何大脑半球,都足够适用，却不能同时，分别移植？

耶鲁公开课 - 死亡课程节选

So if it's so easy to imagine that for the rat, why not for us?

即然能简单地想老鼠，为何不能推及人？

耶鲁公开课 - 死亡课程节选