Now, as I said, this is Socrates' last day on earth and you'd expect him to be pretty bummed.

我已经说过了,这是苏格拉底在人世的最后一天,你们肯定以为他很难过

耶鲁公开课 - 死亡课程节选

Maybe you could be talking with another friend, who's very sad that the former friend is getting married.

可能你在和另一个朋友聊天，他对刚才那个朋友结婚的事感到难过。

When 课堂 - SpeakingMax英语口语达人

People did say they were happy to have participated and only 2% said that they were sorry, but still serious damage could have been done and perhaps was done.

但确实有人说他们很高兴能参与实验,只有2%的人说他们感到难过，但这个实验可能对电击者造成严重的伤害,也许已经造成了。

耶鲁公开课 - 心理学导论课程节选

The difference between the extremely happy people and extremely unhappy people is not that one gets sad, of upset, or anxious, or depressed; and the other does not.

极其快乐的人和极其不快乐的人,区别不是在于一个会伤心，难过，焦虑或抑郁;,而另一个不会。

哈佛公开课 - 幸福课课程节选