This guideline is very simple but unfortunately too often dismissed or ignored.

这条准则相当简单，但是不幸的是常常被无视。

youdao

Unfortunately, that conclusion puts too much weight on a useful, but flawed and incomplete, statistic.

不幸的是，这一结论对这个有用但有缺陷、不完整的统计数字给予了过多的重视。

youdao

But unfortunately, I can't — I've heard it dozens of times — men and women who realize (almost always too late) that they let a really good partner get away.

但不幸的是，我不能——我听过几十次了——那些意识到(几乎总是太迟了)他们让一个真正的好伴侣离开的男人和女人们。

youdao

Unfortunately, you people are too young to have experienced this, but I've experienced this and you can talk to your parents.

不巧的是，你们还太年轻,可能不会有这些经历，但是我亲身经历过,你可以找父母聊聊。

耶鲁公开课 - 金融市场课程节选

"I've wanted to do this since I left school but unfortunately I felt I was too young and lifestyle choices got in the way, " he said.

BBC: Tom Brabham prepares for walk around British coastline

That's an example, but unfortunately it's an all too real example.

NPR: Immigration Law Difficult to Navigate

But unfortunately the slump will be only too inclusive, forcing those who did not gain earlier to pay for the sins of irresponsible and unregulated finance, through their own loss of livelihood and reduced living standards.

BBC: India: Boom what boom?