regret

後悔、悔恨、懊悔

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

我很後悔當時有機會卻沒接下那份工作。

遺憾、惋惜

She regretted the loss of her old neighborhood friends.

她對失去老鄰居朋友這件事感到惋惜。

很遺憾、抱歉正式

We regret to inform you that your application was unsuccessful.

很遺憾通知您，您的申請未能通過。

婉拒、謝絕正式

He regretted the dinner invitation because of a prior commitment.

他因為先前已有約，婉拒了那場晚宴的邀請。

後悔、悔意、悔恨

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

她對自己那樣對待他毫無悔意。