regret

n.

1. 懊悔，悔恨；抱歉，遗憾[U][C][（+at/for）]
   Shelley had no regrets for his actions.

   雪莱对他的行为一点都不感到后悔。

   He felt no shame and no regret.

   他既不感到羞愧也不感到遗憾。

2. 哀悼，悲叹[U][（+over）]
   He expressed regret over the death of your father.

   他对你父亲的逝世表示哀悼。

3. 表示谢绝的短柬[P]
   Tommy sent his regrets.

   汤米寄来了他的谢绝函。

   Please accept my regrets at having to refuse.

   恳辞，谨致歉意。