We could no longer be disappointed, because to be disappointed in something presupposes that it could've been some other way.

我们不会再感到失望，因为对某些事情失望就表明,事情可以是另一个样子。

耶鲁公开课 - 死亡课程节选

and I was really disappointed with the results.

对自己的成绩感到很失望。

I think 实战 - SpeakingMax英语口语达人

It gets kind of depressing at times, " but I suppose that's due to the nature of the subject."

这门课有时会令人感到失望，但我认为这应归咎于这门课本身的特点“

耶鲁公开课 - 死亡课程节选

Women became very upset about this and advocacy groups like the breast cancer advocacy groups got involved and really pressured the government to do more studies on women.

女性对此感到很失望,而各类倡议团体,像是乳癌倡议团体开始进行干预,并给政府施压,要求进行更多针对女性的研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I am upset that one cannot easily download 'Buffy the Vampire Slayer' through iTunes."

无法从iTunes上,轻松下载《吸血猎人巴菲》,让我感到很失望

耶鲁公开课 - 心理学导论课程节选