音乐引起了难过的回忆。

Music wakes sad memories.

youdao

令人难过的是，人们认为附近的陌生人不想交谈，因此也不会主动发起谈话。

The sad thing is that people presume that a nearby stranger doesn't want to converse and don't start a conversation.

youdao

使她难过的是，名单上没有她的名字。

To her dismay , her name was not on the list.

《牛津词典》

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