1:What a pity you didn't come to our party.你不能来参加我们的聚会真是很遗憾。

2:Nobody regrets this more than I do, but I have to tell you that you've been dismissed.我非常遗憾，但是我必须告诉你，你被解雇了。3:I'm sorry you tell me a lie. 你对我撒谎，真是遗憾。4:I am regretful for what I have done.我对我的所为深感遗憾。5:The pity is that it was all completelyunnecessary.遗憾的是这完全没有必要。