I am so sad this weekend--it was Russian intellectual history.

这周末我真的很伤心,当时我选了俄国思想史

耶鲁公开课 - 欧洲文明课程节选

And the movie is so sad that you can't stop from crying really loudly

这部电影太令人感伤了，你控制不住地哭出声来。

I can't help but 课堂 - SpeakingMax英语口语达人

And the sad thing is many nations are watching us and saying: " We told you so."

悲惨的是，全世界都在看着我们,并且对我们说，我早就告诉过你会有这样的结果“

普林斯顿公开课 - 国际座谈会课程节选

So you know I say half in jest but it's actually really sad.

这话虽然是半开玩笑，但其实很可悲。

哈佛公开课 - 幸福课课程节选

So, hunger sets in and it becomes extremely sad and tragic, and attempts to break out simply don't work; but, it had its light moments, and I can never resist those.

饥饿来临,一切都变得如此悲惨,而尝试逃跑只是徒劳,但这其中也有些趣事发生,我对这些逸事总是没抵抗力

耶鲁公开课 - 1871年后的法国课程节选

And so, when we took a field trip to go see the SF Chronicle, it was really, really sad.

我们去《旧金山纪事报》的报社看过，发现他们真的很萧条。

旧金山的报纸 - SpeakingMax英语口语达人

So that's very sad, that part of his art was very very sad. But I still, I feel pathetic as I say in the last pages or so, but I never lost admire of his fortitude in going on and doing as much as he did.

这太令人伤感了,他的艺术也是很伤感的，我在书里最后几页表示了对他的同情，但是我,从来没有停止崇敬他,坚持不懈地做了这么多的精神。

麻省理工公开课 - 电影哲学课程节选

And it's just dying, it was really sad and so,

现在似乎要倒闭了，这真的让人很难过。

旧金山的报纸 - SpeakingMax英语口语达人