regret

后悔、悔恨、懊悔

I regret not taking that job when I had the chance.

我很后悔当时有机会却没接下那份工作。

遗憾、惋惜

She regretted the loss of her old neighborhood friends.

她对失去老邻居朋友这件事感到惋惜。

很遗憾、抱歉正式

We regret to inform you that your application was unsuccessful.

很遗憾通知您，您的申请未能通过。

婉拒、谢绝正式

He regretted the dinner invitation because of a prior commitment.

他因为先前已有约，婉拒了那场晚宴的邀请。

后悔、悔意、悔恨

She showed no regret for the way she had treated him.

她对自己那样对待他毫无悔意。

遗憾、可惜

My only regret is that we never traveled together.

我唯一的遗憾是我们从来没有一起旅行过。

歉意、抱歉

The company expressed its deep regret over the delay.

公司对这次延误表达深切的歉意。

婉拒、辞谢常用复数

She sent her regrets and skipped the wedding reception.

她致意婉拒，没有参加婚宴。