她那时不明白为什么不让病人看电视。

She didn't understand why the TV was kept out of reach of the patients.

《柯林斯英汉双解大词典》

你为什么不让我们搬走沙发呢？

Why don't you let us take away the sofa?

youdao

为什么不让他们知道吉他不适合你，然后再试试别的乐器呢？

Why not let them know that guitar doesn't seem like the right instrument for you, and give another instrument a try?

youdao

He says something, and he doesn't really know where those words come from. He doesn't really know what made his granny so angry about those words.

他不知道自己说了什么,更不知道为什么,这会让祖母抓狂。

耶鲁公开课 - 1945年后的美国小说课程节选

And it makes you want to go get that insurance. I don't know why, but it does.

这让你想去买这家保险。我不知道为什么，但这就是这样。

广告泛滥 - SpeakingMax英语口语达人

So, why should a non-frightening incongruity cause people to make a distinctive loud noise consisted of staccato segments of one fifteenth of a second each separated by a fifth of a second?

为什么不引起恐惧的不一致性,会让人们发出一种与别不同的声音,而且这种声音是间断的，一节声音持续15分之一秒,两节声音之间也是相隔15分之一秒？

耶鲁公开课 - 心理学导论课程节选