I cannot express my sorrow and regret.

我无法用语言表达我的悲伤和懊悔。

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When learning about climate change, you could feel alarm tinged with sorrow and regret for species facing extinction.

听说关于气候变化的信息时，你可能会在惊恐之余，因为一些物种即将灭绝而感到悲伤和遗憾。

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The life of the old is not necessarily successful. Maybe as the old man looks back, his heart is filled with sorrow and regret.

老人的人生不一定是成功的，可能老人在回过头看自己日子的时候，心里是充满了歉疚和自责的。

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The president and chairman of BP America,Lamar McKay, again expressed his company's sorrow and regret for the incident, and promised that BP will pay for all damages related to the disaster.

VOA: standard.2010.06.15

"I consider that she has expressed little real remorse for what she did, rather the sorrow and regret which she expressed to the police was largely because of the situation in which she found herself, and not for the events in which she played her part, " he said.

BBC: Stewart did not have a spark of compassion for husband

Their regret and sorrow is palpable here.

WSJ: Manhunt on HBO; The Big C; Hereafter on Showtime: Television Reviews by Nancy deWolf Smith

This time our response must consist of more than regret, sorrow, and condolence.

CNN: STORY HIGHLIGHTS