1.
Please accept my regrets at refusing/that I must refuse.
有拂雅意, 深以为憾.
2.
I very much regret I was unable to attend office this morning owing to a severe attack of illness.
今晨我身体突感不适，不能上班，深以为憾。
3.
He said he much regretted not being able to help.
他说，他为不能给予帮助深感遗憾。
4.
I feel sorry that I am not able to make a corresponding move.
我为自己不能做相应的让步深感遗憾。
5.
Sorry for Richetts, I made my pitch as quickly as possible.
我为里基茨感到遗憾，并立即加以解释。
6.
Too bad. I almost think we have something .
太遗憾了。 我还以为我们还有一点交情。
7.
Too bad. I almost think we have something.
太遗憾了。我还以为我们还有一点交情。
8.
We regret to inform you...,ie used in letters when giving bad news.
兹奉告...,甚以为憾.（用于以书信通知坏消息）
9.
We have received your letter of August 10 and regret to learn that you are unable to extend the L/C No.1680.
月10日来信收悉。得知你方未能将第1680号信用证予以展期，深感遗憾。
10.
I should greatly regret it if you were at all in a hurry to denounce them in public.
如果你竟然仓促地对他们公开指责，我将深为遗憾。
11.
Investigation of the Lack of Traditional Mathematic Assessment by an Example of Renting-boat Open-ended Problem;
传统数学评价之“缺憾”——以一个租船问题为例
12.
Alas, I can't be with you myself because I have commitments in Hong Kong.
很遗憾，因为我在香港另有公务，所以不能亲自出席今天的庆典。
13.
The reason behind decisions we must make today is regrettable.
想到今日吾人非做出决定不可的原因，大家都引以为憾。
14.
And that is a shame because reading offers a productive approach to improving vocabulary and word power.
这是个遗憾，因为阅读可以有效的提高词汇和语言能力。
15.
We regret is unable to quote on fob basis, as it is our general practice to do business with all our client on cif basis.
很遗憾，我们不能以FOB为基础报价，因我们与客户做生意常用CIF价。
16.
Regretful is, history's trend, society's changes did not change due to the personal will.
遗憾的是﹐历史潮流﹐社会变迁并不以个人意志为转移。
17.
Unfortunately, humanity is not a pillar of this pyramid.
遗憾的是，这座巨大的“教育金字塔”并不是以人文精神作为支柱。
18.
On Breakthroughs and Disappointments of the 8th National Congress of the CPC:from the Perspective of Three Great Historical Changes
试论中共八大的突破和缺憾——以三大历史性转变为视角