She has the unfortunate knack of always saying the wrong thing.

不幸的是，她总是说错话。

《牛津词典》

youdao

They were unable to prove that the unfortunate lady had died as a direct result of his injection.

他们不能证明那名不幸女士的死亡是由于他的注射直接造成的。

《柯林斯英汉双解大词典》

The rank-and-file members of the Green Movement, they have reached the unfortunate conclusion that now that the regime cannot be reformed in a peaceful way, we have to pursue other means.

VOA: standard.2010.06.11

Of course in the central test case this is what we all care about, for the unfortunate events that befall virtuous people.

当然，这是我们归根到底都关心的一个问题，因为有德行之人也会遭遇不幸。

耶鲁公开课 - 弥尔顿课程节选

And the unfortunate thing is that he was sort of a sad sack,un pauvre type.

不幸的是,他是一个冒失鬼,很可怜的那种

耶鲁公开课 - 1871年后的法国课程节选

The unfortunate side of business is that it provides ample room for people to disappoint.

FORBES: 10 Ways My Perspective Has Changed

The unfortunate writers had omitted to double-check his Wikipedia discography, and collectively fell victim to Wiki-hoaxers.

CNN: Use with caution: The perils of Wikipedia

All of which returns us to the banks and the unfortunate bailouts of 2008.

FORBES: "Necessary" Bank Bailouts Harm the Economy, Wreck the Banks