名词悲伤; 悲痛; 悲伤的事
1. 悲伤；悲痛
Grief is a feeling of extreme sadness.
e.g. ...a huge outpouring of national grief for the victims of the shootings...
举国上下对枪击事件中的遇害者所表现出的万分悲痛之情
e.g. Their grief soon gave way to anger.
他们的悲痛迅速转化为愤怒。
2. （事情）失败；（人）受挫，遭到不幸
If something comes to grief, it fails. If someone comes to grief, they fail in something they are doing, and may be hurt.
e.g. So many marriages have come to grief over lack of money...
许多婚姻都因缺钱而以失败告终。
e.g. He was driving a Mercedes racer at 100 mph and almost came to grief.
他当时驾驶着一辆梅塞德斯赛车以每小时100英里时速度飞驰，险些出事。
3. （表示惊奇或震惊）哎呀，天哪
Some people say 'Good grief' when they are surprised or shocked.
e.g. 'He's been arrested for theft and burglary.' — 'Good grief!'
“他因为偷窃和入室盗窃而被逮捕了。”——“我的天哪！”
及物动词后悔，悔恨; 遗憾，抱歉; 悼念，哀悼
不及物动词感到后悔，感到抱歉
名词遗憾，惋惜; 后悔，悔恨; 哀悼
1. 对…感到后悔;因…遗憾
If you regret something that you have done, you wish that you had not done it.
e.g. I simply gave in to him, and I've regretted it ever since...
我就向他屈服了，从那以后我一直后悔。
e.g. Ellis seemed to be regretting that he had asked the question...
埃利斯好像后悔问了这个问题。
2. 悔恨;失望;后悔;惋惜
Regret is a feeling of sadness or disappointment, which is caused by something that has happened or something that you have done or not done.
e.g. My great regret in life is that I didn't bring home the America's Cup...
我这辈子最大的遗憾就是没有把美洲杯捧回家。
e.g. Lillee said he had no regrets about retiring.
利里说他没后悔退休。
3. 为…抱歉;很遗憾地说/通知你
You can say that you regret something as a polite way of saying that you are sorry about it. You use expressions such as I regret to say or I regret to inform you to show that you are sorry about something.
e.g. 'I very much regret the injuries he sustained,' he said...
“我对他的受伤感到很遗憾，”他说。
e.g. I regret that the United States has added its voice to such protests...
我很遗憾美国也加入了这一抗议的行列。
4. 抱歉；遗憾
If someone expresses regret about something, they say that they are sorry about it.
e.g. He expressed great regret and said that surgeons would attempt to reverse the operation...
他深表歉意，说外科医生会努力消除手术造成的损伤。
e.g. She has accepted his resignation with regret.
她遗憾地接受了他的辞职。
形容词不可救药的; 不抱希望的，绝望的; 没有希望的，惨淡的; 不可能的
1. 不抱希望的;绝望的
If you feel hopeless, you feel very unhappy because there seems to be no possibility of a better situation or success.
e.g. He had not heard her cry before in this uncontrolled, hopeless way...
他从未听到过她如此绝望地失声痛哭。
e.g. The economic crisis makes jobs almost impossible to find and even able pupils feel hopeless about job prospects.
经济危机使得找到工作几乎成为不可能，就连能力出众的学生都对工作前景不抱希望。
名词失望，扫兴; 令人失望的行为（人）
1. 失望;沮丧;扫兴
Disappointment is the state of feeling disappointed.
e.g. Despite winning the title, their last campaign ended in great disappointment...
尽管赢得了冠军，但他们最后一役却令人大失所望。
e.g. Book early to avoid disappointment.
趁早预订以免落空。
2. 令人失望的人（或事物）
Something or someone that is a disappointment is not as good as you had hoped.
e.g. For many, their long-awaited homecoming was a bitter disappointment.
对许多人来说，他们期盼已久的还乡之行却令他们大失所望。
e.g. ...this ne'er-do-well brother who was such a disappointment to his family.
这个令他家人如此失望的没出息的兄弟
名词忧郁; 悲哀; 愁思; 闷闷不乐
形容词忧郁的; 悲伤的; 凄凉的; 阴沉的
1. 使人忧郁的;令人忧伤的
You describe something that you see or hear as melancholy when it gives you an intense feeling of sadness.
e.g. ...a painter of haunting melancholy canvases...
一位画作中饱含挥之不去的忧伤情绪的画家
e.g. The only sounds were the distant, melancholy cries of the sheep...
只听得见远处羊群的哀鸣。
2. (习惯性或气质上的)忧郁，忧伤
Melancholy is an intense feeling of sadness which lasts for a long time and which strongly affects your behaviour and attitudes.
e.g. I was deeply aware of his melancholy as he stood among the mourners...
当他站在致哀的人群中时，我深深地体会到了他的忧伤。
e.g. The general watched the process with an air of melancholy.
将军神情忧郁地望着队列经过。
3. 忧郁的;悲伤的
If someone feels or looks melancholy, they feel or look very sad.
e.g. It was in these hours of the late afternoon that Tom Mulligan felt most melancholy...
傍晚这几个小时里，汤姆·马利根最为抑郁。
e.g. He fixed me with those luminous, empty eyes and his melancholy smile.
他笑容忧郁地凝视着我，闪亮的眼睛里空无一物。