遗憾的是

Unfortunately,no questions from the audience broke the continuity of his harangue.

令人遗的是,没有听众题来打断他的高谈阔论。

It's a pity that the spitbox in the pit was hit and split.

遗的是西方经济学论文坑内的痰盂被打裂.

One of many sadnesses in his life was that he never had children.

他一生中的许多遗之一是没有子女。

Unhappily, he never saw that girl again.

遗的是他再也没有见到过那女孩。

Regretably, I cannot watch the lively scene in the meeting and the presents distributed by companies present at the meeting .

遗的是未能看到此次展会的火爆参展商派发的赠品。