This is a regrettable的意思|示意

Though the people in the world are all opposed to war, they can by no means avoid it. This is indeed a regrettable thing.

虽然世界的人民都反对和平，但是他们却无法能够避免它。这确实是件非常令人遗憾的事情。

But when external conditions changed, it failed to adjustment according to the time and led to the lack of literary art of a long time, we can't help but say this is a regrettable imperfect.

但是当外部条件转变之后，却没能及时调整，导致了文学作品在长时间内艺术性的缺失，这不能不说是一种遗憾。

This is a regrettable oversight, since, as Remnick's narrative makes clear, white (and often Jewish) friends and associates formed a critical part of Obama's network.

不过这是一个可以被原谅的疏忽，正如Remnick所表明的，白人(尤其是犹太人)伙伴和同事组成了奥巴马的主要人际网络。

This is indeed a quite regrettable thing.

这真是一件件发令人遗憾的事情。

In this world, it is exactly the lack of wisdom that causes many regrettable things to happen. Therefore, wisdom is supremely precious, either in a worldly sense or spiritually.

世间很多令人后悔之事的发生，都是因为缺乏智慧的缘故，可见不论是世间还是出世间，智慧都是无比珍贵的。

In a statement on the company's home page entitled "Sorry", Chris Yeh, head of the Yahoo! Developer Network, said: "This incident is regrettable and we apologise to anyone that we have offended."

雅虎网络开发部的负责人Chris Yeh在公司主页上发布的一篇题为《抱歉》的声明，他在声明中说：“我们非常抱歉这次出现了这样的事故，我们向所有被冒犯的人表示歉意。”