I simply gave in to him, and I've regretted it ever since. [VERB noun]

我就向他屈服了，从那以后我一直后悔。

Ellis seemed to be regretting that he had asked the question. [VERB that]

埃利斯好像后悔问了这个问题。

Five years later she regrets having given up her home. [VERB verb-ing]

5年后她对当初放弃自己的家感到后悔。

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。

Lillee said he had no regrets about retiring. [+ about]

利里说他没后悔退休。

'I very much regret the injuries he sustained,' he said. [VERB noun]

“我对他的受伤感到很遗憾，”他说。

I regret that the United States has added its voice to such protests. [VERB that]

我很遗憾美国也加入了这一抗议的行列。

Her lack of co-operation is nothing new, I regret to say. [VERB to-infinitive]

很遗憾，我不得不说她缺少合作精神不是什么新鲜事。

I regret to inform you he died as a consequence of his injuries. [VERB to-infinitive]

我很遗憾地通知你，他因伤势太重不治身亡。

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。

She has accepted his resignation with regret.

她遗憾地接受了他的辞职。