凄然的英文：
mournful; sad

参考例句：

Ellen gave me a rueful smile
埃伦对我凄然一笑。

Murmur a little sadly,how Love fled.
凄然地轻轻诉说那爱情的消逝。

Morrel smiled mournfully
莫雷尔凄然地苦笑了一下。

mournful是什么意思：
adj. 悲伤的，使人伤心（沮丧或惋惜）的；凄厉的

mourning card paper
素贴纸

Black is a token of mourning.
黑色是居丧的表征。

Have you heard the mournful wail of bagpipes?
你是否听到风笛凄厉的哀诉声？

In uniform,mourning,disguise,armour
穿著制服、带著孝、戴著伪装、披著铠甲

The period of mourning and bereavement may be long.
丧亲和哀悼的悲伤会持续很久。

sad是什么意思：
adj. 悲哀的，难过的；可悲的，令人遗憾的；阴郁的

The general colouring was uniform and sad.
整个色调单调而又阴郁。

After joy comes sadness
乐极生悲

As the evening progressed, sadness turned to rage.
随着夜幕逐渐降临，悲伤变成了愤怒。

He found himself in a sad pickle.
他发现自己已处于困境。

Sadness and gladness succeed each other
悲喜互继,哀乐相续