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

You have to choose. Well, critics took it fairly straightforwardly as the account of a life and in that sense, taking it that way, some of them were a little disappointed with what they held in their hands.

你必须做出取舍,批评家十分直截了当地，把它看成是生活的流水帐,因此有些人会对他们手中的书稍有失望。

耶鲁公开课 - 1945年后的美国小说课程节选

The libertarian has two grounds for disappointment in Locke.

自由主义者对洛克的失望在于两点。

耶鲁公开课 - 公正课程节选

Yet, in many respects, if the Republic was the result of comprehensive despair and disillusionment with the prospects of reform, the dialogue itself points back to an earlier moment in Plato's life and the life of the city of Athens.

从很多方面看来，如果《理想国》,是对改革前景,全面失望与醒悟的结果，则对话本身便指明了,柏拉图的早年生活,以及雅典的早期生活。

耶鲁公开课 - 政治哲学导论课程节选