Sad to say, the moral decline of the younger generations may be a rather explosive situation in our modern society.

不幸的是，在我们现代社会中，年轻一代的道德下降可能是一种爆炸性的情况。

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I was very sad to say goodbye.

我非常难过地说了再见。

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He was too sad to say anything when he heard the bad news.

他听到这个坏消息的时候伤心得说不出话来。

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"Then I can only say I am most sad to hear it,"

VOA: special.2009.06.25

And, sad to say, at least one of our tests produced an output that we were unhappy with.

很不幸的是，至少一个测试输出我们,是不满意的，它花费了太长时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can say to someone near you because you're really sad about it, "I was disappointed."

你心里很难受，你可以对你身边的人说 "I was disappointed."

I was 课堂 - SpeakingMax英语口语达人

Sad to say, due to Hurricane Sandy, this week was a pretty unlucky one.

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To date, sad to say, Romney has worked hard to confirm this image of weakness.

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Sad to say, but Americans today seem far less secular and individualistic than they were in 1980.

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