这种疾病很少造成死亡，算是不幸中之幸。

Deaths from the disease are mercifully rare.

《牛津词典》

庄周梦为蝴蝶，庄周之幸也；蝴蝶梦为庄周，蝴蝶之不幸也。

It was fortunate of Chuangtse to dream of being a butterfly, but a misfortune for the butterfly to dream of being Chuangtse.

youdao

难道我不是不幸中之万幸吗？

Is it unfortunate that within a very lucky I did not do?

youdao

难道我不是不幸中之万幸吗？

Is it unfortunate that within a very lucky I did not do?

youdao