sad

难过的；悲哀的，令人悲痛的；凄惨的，阴郁的（形容颜色）英释adjadjnot happy, especially because something unpleasant has happened

1 so sad,如此悲伤；如此难过

2 feel sad,感到悲伤；心酸

3 in sad earnest,[古语]十分严肃地，一本正经地

4 sad face,愁容

5 if you are sad,若你悲哀

1 Sorry to hear the sad news ..听到这令人伤心的消息我很难过。