luck的形容词不幸的

　　例句：

　　We all felt (that) we were unlucky to lose.

　　我们都认为我们输了是运气不好。

　　Thirteen is often considered an unlucky number.

　　十三常被认为是不吉利的数字。

　　Some people think it's unlucky to walk under a ladder.

　　有些人认为从梯子下面走过不吉利。