英文是：Sad。
sad 英[sæd] 美[sæd]
adj. 悲哀的； 可悲的； 糟糕的； 令人遗憾的；
[例句]The relationship had been important to me and its loss left me feeling sad and empty
这份感情对我很重要，失去它让我感到悲伤而又空虚。
I received the sad news that he had been killed in a motorcycle accident.
我得知了这个不幸的消息，说他在一场摩托车事故中丧生。
It's a sad truth that children are the biggest victims of passive smoking.
不幸的事实是，儿童是被动吸烟的最大受害者。
How does a suffering alcoholic get into one of these hospitals? Sad to say, there are not very many of them around
一个受酒瘾折磨的酗酒者怎样才能进入这样一家医院呢？很遗憾，这种医院并不多。
I'm sad that Julie's marriage is on the verge of splitting up
朱莉的婚姻濒临破裂，我为此感到难过。
I'd grown fond of our little house and felt sad to leave it
我已经慢慢喜欢上了我们的小屋，要离开它让我很伤心。
I'm sad about my toys getting burned in the fire.
我的玩具在这场火中付之一炬，这令我很难过。
