vt.

1. 懊悔；因……而遗憾[+v-ing][+that]
   I regret that you see it like that.

   你这样看待这件事，我很遗憾。

   I believe you will regret leaving Paris.

   我相信你会为离开巴黎而后悔的。

   I regret the loss of her friendship.

   我为失去她的友谊而遗憾。

2. 痛惜；哀悼；思念
   I regret his death.

   我对他的逝世痛惜不已。

3. 为……抱歉，遗憾[+to-v][+that]
   I regret to say that I am unable to help you.

   很抱歉，我爱莫能助。

vi.

1. 感到后悔；感到抱歉；遗憾
   Those who have not bought insurance are now regretting.

   那些没有买保险的人现在后悔了。

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。

v.

n.