1. He died of a major infection - a sad way to die.
    他死于严重感染——一种令人悲痛的死法。

2. Autumn looked sad.
    秋脸上露出了苦色。

3. And what makes my mother sad right now, I think, is not simply that her mother will die in a day or two, but that, once her mother dies, there will never again be someone to love her in quite such a complete, unrestrained way.
    我想，现在最让妈妈难过的，不仅是她母亲很快就会离世，而且还有一旦她母亲去世，就再也没有一个人能这样全心全意、毫无保留地爱她了。

4. Sad, I packed up my books and walked slowly back to my room.
    我感到难受, 收拾了书本就慢慢地朝我的房间走去。

5. Sad to say, many English people in the 1920's and 1930's thought Chaplin's Tramp a bit, well, " crude ".
    不幸的是，20世纪二三十年代的很多英国人认为卓别林的"流浪者"多少有点"粗俗"。

6. “It's hard to understand how a clever person like him could mislead people like that. It's sad.
    很难理解一个像他这样聪明的人会那样误导别人。真是糟糕。

7. One boy said the poem was heartbreakingly sad.
    一个男生说，这首诗真令人伤心。

8. I think he is sad , despite his smiles.
    尽管他在微笑，我认为他很悲伤。

9. I´m sad you´re leaving.
    你要走了, 我很难过.

10. I would be so sad I would commit suicide at once.
    我伤心的几乎要马上自杀.