sad形容词的副词形式是sadly 悲哀地；悲痛地；

sad：

adj. 难过的；悲哀的，令人悲痛的；凄惨的，阴郁的（形容颜色）；

比较级 sadder或more sad 最高级 saddest或most sad

扩展资料

I was very sad indeed to hear of your father's death.

听到令尊大人去世，我感到非常难过。

How sad that all his hard work should come to nothing.

他的所有辛勤劳动竟全部付诸东流，太让人伤心了。

It is desperately sad news and I am absolutely shattered to hear it.

这是极为令人悲伤的消息，我听后完全被击垮了。

"The elm trees are all dying," said Palmer, with a sad shake of his head.

“这些榆树全都要死了，”帕尔默说道，难过地摇了摇头。

I remember the sad spectacle of her standing in her wedding dress, covered in mud.

我记得她穿着婚纱、满身泥污站在那儿的凄惨样。