misfortune
noun [ C or U ] uk/ˌmɪsˈfɔː.tʃuːn/ us/ˌmɪsˈfɔːr.tʃən/
C1 不幸；厄运；不幸事故；灾难
bad luck, or an unlucky event
[ + to infinitive ] That was the worst film I've ever had the misfortune to see. 那是我不走运看过的最糟糕的电影。
She suffered a good deal of misfortune over the years. 多年来她遭受了巨大的不幸。
It's unfair to take advantage of other people's misfortunes. 乘人之危是不当的。