But they send their regrets and their warm wishes.

但他们送上了他们的遗憾和温暖的祝福。

I'm going to send my regrets.

我要表达我的遗憾。

Henry sends his regrets. Stuck at work.

亨利表示十分遗憾 他工作很忙不能来。

My father was ill and had to send his regrets.

【regret】家父因病缺席，故深表歉意。