They were bitterly disappointed at the result of the game.

他们对比赛结果极为失望。

He was disappointed at not getting the job, but he'll get over it.

他没得到这份工作非常失望，不过他会想得开的。

I was disappointed at the news.

听到这个消息我感到很失望。

I'm disappointed at your attitude.

我对你的态度有些失望。

We were disappointed at his words.

听了他的话，我们很失望。