By some unlucky chance, her name was left off the list.
倒霉的是，名单上沒有她的名字。
Thirteen is often considered an unlucky number.
十三常被认为是不吉利的数字。
We all felt we were unlucky to lose.
我们都认为我们输了是运气不好。
If you're lucky, a splendid golden eagle may soar into view
幸运的话，会有一只光彩夺目的金雕飞入你的视野。
He was lucky to get off with a small fine.
他侥幸逃脱惩罚，交了一小笔罚款了事。