regret
单词辨析：
普通用词，尤指因希望某事没有发生而感到的遗憾。
He has no regrets about quitting.
他毫不后悔辞职。
It is with regret that I have to leave for Shanghai.
很遗憾，我不得不启程前往上海。
She has expressed deep regret at losing the match.
对于输掉比赛一事，她深表遗憾。
指对自己所做错事产生的深刻自责。
The manager was full of remorse and decided to resign.
经理满心懊悔，决定辞职。
He showed strong remorse throughout the trial.
审判过程中，他表现出强烈的悔恨之意。
指对自己所做错事感到的懊悔。
At least, you should show some signs of repentance.
至少你应该有些悔悟的表示。
He showed no repentance at all during the trial.
他在审判过程中没有表现出一丝悔意。
相关例句：
She has accepted his resignation with regret.
她遗憾地接受了他的辞职。
I regret to inform you he died as a consequence of his injuries.
我很遗憾地通知你，他因伤势太重不治身亡。
He feels deep regret about his friend's death.
他对朋友的去世深感惋惜。
'I very much regret the injuries he sustained,' he said
“我对他的受伤感到很遗憾，”他说。
We regret to inform you that you are being furloughed indefinitely
我们遗憾地通知您，您将要无限期地在家待岗。
From Cairo came expressions of regret at the attack.
开罗对此次攻击表示遗憾。