adj.悲哀的；忧愁的；伤心的

My heart broke at the sad news. 知道这悲伤的消息时

Here we had, not long ago, a very sad funeral in this church. 不久以前,这教会举行了一次悲哀的丧礼。

What deserves being thoughtful and sad when you are just a child? 小小年纪,有什么值得你心事重重,满腹忧愁?

Don't spend too much time alone, or you'll feel sad. 别一个人呆得太久了,否则你会感到忧伤的。

It made me sad to hear you have to go away. 听到你非走不可，我觉得很伤心。

I'll be with you when you feel sad anytime. 不论什么时候,当你感到难过伤心的时候,我都将陪伴着你。

I'm sad you're leaving. 你要走了

sad的基本意思是“悲哀的,忧愁的,难过的”,指由于不好的消息或结果等而使人在内心感到难过,也可指“糟糕的,不成样子的,不像话的”,指某人或某物以一种令人难以接受的形象出现而使人感到非常糟糕。

sad在句中可用作定语,也可用作表语。用作表语时,其后可接介词短语、动词不定式或由that引导的从句。

sad to say意为“不幸的是”,常放在句首。

sad的比较级一般用sadder,偶尔也可用more sad,如the more..., the more sad...。