1.He was so rich in the past. Maybe he's regretting his past mistakes now.
过去他多富有，也许现在他后悔过去犯过的错误了。
2.Dave sent his girlfriend pictures of himself with another woman, by accident, regretting it an ohnosecond later.
戴夫不小心把他跟另一个女人的照片发给了他女朋友，他意识到以后后悔不已。
3.It's no use regretting.
后悔是没有用的。
4.Those who have too much of their money in the stock market may end up regretting it.
那些在股市上投了太多钱的人可能要后悔了。
5.We're unlikely to spend our last moments regretting that we didn't spend enough of our lives slaving away at work.
我们不太可能会在生命的最后时刻后悔没有花足够的时间在工作上。
6.Why would you want to spend every day regretting the past?
为什么你要每天为过去感到遗憾？
7.I can't everything regretting formerly.
我不能后悔从前的一切。