形容词是：unlucky.
unlucky.
adj. 不幸的；倒霉的；不吉利的
比较级 unluckier或more unlucky 最高级 unluckiest或most unlucky.
扩展资料
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 its unlucky to walk under a ladder.
有些人认为从梯子下面走过不吉利。
