他们打得很好，输掉比赛纯属运气不佳。

They played well and were ___unlucky to lose.

有些人认为从梯子下面走过会带来厄运。

Some people think it's ___unlucky to walk under ladders.

我要给你讲一个关于一个不幸男人的故事。

I'm going to tell you a story of an ___unlucky man.