Regrettably, I'm unable to clarify the reason for my behavior.

遗憾，我无法阐明我行为的缘由。

金山词霸

Regrettably disturbing you at this hour, but your help is needed.

很遗憾在这个时候打扰你，但需要你的帮助。

金山词霸

Regrettably, this issue is none of your business.

遗憾的是，这个问题与你毫不相干。

金山词霸

Regrettably, we are unable to respond to any inquiries at present.

很遗憾，我们目前无法回应任何询问。

金山词霸

Regrettably, I couldn't offer you the slightest help, and for that I'm truly sorry.

很遗憾，我未能给你提供丝毫帮助，为此我深感抱歉。

金山词霸

I regrettably possess the know-how to feel and understand your emotions, George.

遗憾的是，乔治，我具备感受和理解你情感的能力。

金山词霸

Regrettably, we're running behind schedule, Jack.

很遗憾，我们进度延误了，杰克。

金山词霸

Regrettably, we cannot process your order as requested.

很遗憾，我们无法按您的要求处理订单。

金山词霸

Regrettably, I'm at a complete loss for words. You've chosen the most inopportune moment.

很遗憾，我完全无话可说。你挑了个最不合适的时机。

金山词霸

Regrettably, it was inappropriate of me to ask you that question.

很遗憾，我向你提出那个问题是不合适的。

金山词霸

Regrettably there is little correspondence between our way of looking at the matter and yours.

很遗憾你我双方对此事的看法很不一致.

辞典例句

It is also, regrettably, an incentive to remain unemployed.

但令人遗憾的是, 它也刺激了人们保持失业状态.

互联网

But, he says regrettably it will not be very many.

但是他遗憾地说,去上学的学生不会很多.

互联网

In this instance , regrettably, he failed to fulfill those responsibilities.

但是在这次事件上, 他未能履行自己的责任和义务.

互联网

He was regrettably drunk.

他醉得惨兮兮的.

互联网