I felt that sad for him that there had to be a war.

VOA: special.2009.01.03

I am going to be sad when they finally get a name for it.

我会感到很伤心的,如果他们最后给它起名的话。

麻省理工公开课 - 固态化学导论课程节选

You'd expect him to be sad.

以为他很伤心

耶鲁公开课 - 死亡课程节选

Sylvie was sad. She wanted to be his friend.

VOA: special.2010.04.03

How many of you, if you were playing for, I guess it's going to be America, which is a sad thing to start with,never mind.

有多少人会,假设你为一个球队效力,比如说是美国国家队吧,可能有些难以启齿,没关系

耶鲁公开课 - 博弈论课程节选

"It feel like I'm in a zoo. It's sad because I think it's a beautiful sculpture, and it would be a lot better to see it without the fence in front,"

VOA: standard.2010.02.17

How could you possibly be sad when listening to that kind of music?

听到这样的曲子,你怎么可能感到悲伤呢

耶鲁公开课 - 聆听音乐课程节选

"The first reaction is to be sympathetic,like,'Oh,wow, these are really sad stories and I feel bad.' And then,the second thing that happens is you look up the crime and you are horrified,".

VOA: standard.2009.10.21