sad的副词形式和名词形式

sadly adv. 悲哀地；悲痛地；

sadness n. 悲哀；悲伤，悲痛；使人悲伤的事；

例句

The child stands there sadly.

那孩子伤心地站在那里。

I felt a deep sadness.

我感到深深的悲痛。

Sadly, after eight years of marriage they had grown apart.

不幸的是，结婚八年后，他们的感情日渐淡漠了。

Sadly, that feeling never came.

可悲的是，我从未有过这种感觉。

I felt a deep sadness.

我感到深深的悲痛。

As the evening progressed, sadness turned to rage.

随着夜晚的来临，悲伤变成了愤怒。

There was more than a hint of sadness in his voice.

他的声音中流露出了深切的悲伤。