He bent to pick it up. Just as he was about to throw it into the wastepaper basket, he noticed that the letter was signed by his business partner, Thomas Antrim.

VOA: special.2010.05.29

He noticed that the pigeons started behaving in strange ways and he kept them separate so they couldn't learn from each other.

他发现鸽子行为异常,举止乖张,他把鸽子分开拘禁,使它们不能沟通

耶鲁公开课 - 金融市场课程节选

In fact, he noticed that madmen sometimes believe they have extra limbs or they believe they're of different sizes and shapes than they really are.

事实上他注意到,疯子有时会相信自己有额外的四肢,或者相信他们的大小与形状,是与实际不同的

耶鲁公开课 - 心理学导论课程节选

And I hope, as you are reading, you notice that chapter opening where once again Dean appears at the door when Sal shows up, and he's totally naked.I hope you noticed that. It's the third time that we see that so there is an eroticism between them.

我也希望，你们在阅读时注意到那一章,就是曾经萨尔去找迪安时，迪安又一次是光着身子，开的门，我希望你们注意到这一点，这是第三次,我们看到这一幕，所以他们对彼此有着性欲。

耶鲁公开课 - 1945年后的美国小说课程节选