不幸的是，我手头上没有日托中心的所有条规。

Unfortunately, I don't have all the daycare-center regulations handy.

youdao

不幸的是，我母亲在我六岁时死于乳腺癌。

Sadly, my mother died of breast cancer when I was six.

youdao

不幸的是，我被一个胖女人扔进了运河，她的心肠很坏。

I am, unfortunately, thrown into a canal by a woman fat of body and very evil-minded.

youdao

So this, unfortunately, is the last time that I am teaching positive psychology or any other class for that matter at Harvard.

不幸的是这学期将是我最后一次，在哈佛开设积极心理学或其他课程。

哈佛公开课 - 幸福课课程节选

I must be the unhappiest person in the world.

我肯定是这世上最不幸的人了。

Must 实战 - SpeakingMax英语口语达人

.. I guess, unfortunately, it is for... there needs to be a number put somewhere, like, I'm not sure what that number would be, but I do agree that there could possibly be a number put on the human life.

我觉得，不幸的是。,有时确实需要标价，不过我不确定具体数字，但我确实认同,人的生命也许可以被标价。

耶鲁公开课 - 公正课程节选