To regret one's errors to the point of not repeating them is true repentance.

反思自己的过错不至于重蹈覆辙才是真正的悔悟。

I regret to say he did not honor me with his patronage.

遗憾的是我没能荣幸地为他效劳.

Please give my regrets to Mr. Fitzpatrick MacCorieghan.

请向费兹帕特里克先生表达我的歉意。

And I regret to say that your worries are not baseless.

我很遗憾地告诉你，你的担心不是毫无根据的。

I regret to say that I wasn't impressed by the performance.

不好意思，这个表演确实不怎么样。

And it required still more character never to regret the sudden step.

贸然走出这一步，以后永不后悔，那需要的个性就更多了。

I regret to tell you that you didn't meet our requirements.

我很抱歉要告诉你，你未达到我们的要求。

I regret to say that I can't come to the party.

很遗憾，我得告诉你我不能来参加派对。

I regret to say that I cannot help you this time.

我非常遗憾地说，这次是帮不了你了。

I regret to inform you that you flunked three subjects this semester.

我很抱歉要通知你，你这学期被当3科。

I regret to say it is not always easy to do the right thing.

很抱歉，正确的事情不一定很容易就能做到。

" Please do not allow grief, guilt or regret to hold you back in its employment."

“所以请不要因为伤痛、愧疚或懊悔而拂了我这番好意。”

I regret to have to tell you again that we are not planning to go into television.

我很抱歉地再次提醒你我们不打算在电视上打广告。

I regret to say it does not seem that there is any other course open for us.

我很遗憾 但是我们确实别无他法。

I will not keep you this evening, for obvious reasons.My regrets to you, Ruburt, and my sympathy.

今天晚上出于显而易见的原因，我不会耽搁你们太久。我对你表示遗憾，鲁伯，并表示同情。

At the last election, two years and a political era ago, we regretted the drift to the extremes.

在上次选举中，在两年前和一个政治时代之前，我们对走极端感到遗憾。

The U.S. Ambassador to Japan, Caroline Kennedy, offered her regrets to the family of those injured in the accident.

美国驻日大使卡罗琳·肯尼迪（Caroline Kennedy）对事故中受伤人员的家属表示歉意。

We regret to inform you that you have ten days left to pay the account, otherwise, we'll close it.

很不幸地告知你，你只有十天的时间付账，否则我们就要关停账户了。

Just regrets to all but two or three.

只是对除了两三个以外的所有人感到遗憾。

" Not for the moment, ma'am, I regret to say" .

“暂时没有，女士，我很遗憾地说”。