The ignorance of a director of this large organization is regrettable.

It's regrettable that bob do not follow your instructions.

很可惜鲍勃没有遵照您的指示.

It is regrettable that we've missed the chance to cooperate with your company.

很遗憾,我们失去了与贵公司合作的机会.

Visitor A : Oh, it's so regrettable about the small pavilion nearby?

参观者 A: 啊, 太遗憾了!那旁边那个小馆 呢 ?

This attitude is regrettable, I think.

我觉得这种态度令人遗憾.

It is regrettable that your skill was neglected because it can be applied nowhere.

你这门手艺,因为没有用武之地而旷废了,真可惜!

This was a very regrettable error.

这是个令人很遗憾的错误。

Opinions vary as to who was the publisher of Hunan Peasant Revolution, which is rather regrettable.

在《湖南农民革命》的研究中,对于谁是《湖南农民革命》的出版发行者,人们产生了分歧, 十分令人遗憾.

A person who does a regrettable action is often regretful afterwards.

行为不检点的人,日后往往懊悔.

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.

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.

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.

Unfortunately Regrettably, science doesn't work that way.

不幸的是, 科学不是这么回事.

Regrettably, the experiment ended in failure.

很遗憾, 该试验最后失败了.

No doubt many will regard these as harsh words, but regrettably they are true.

固然会有很多人认为这些话过于刻薄，但是遗憾的是这些都是真话。

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.

He was regrettably drunk.

他醉得惨兮兮的.

Regrettably, he had forgotten all his promises.

令人遗憾的是, 他竟忘了他的一切承诺.

When possible, the regrind source shall be the scrap generated by the molding process in question.

在可能时, 再研磨来源应由有关成型过程中产生的废料.

Regrind should always be kept clean, dry and uniformly mixed with the virgin material.

次料应经常被保持乾净, 乾燥和均匀地与新料混合.

This paper explains the method of reasonably use and regrinding of reamer.

阐述了合理使用与重磨铰刀的方法.