By some unlucky chance, her name was left off the list.

　　倒霉的是，名單上沒有她的名字。

　　Thirteen is often considered an unlucky number.

　　十三常被認為是不吉利的數(shù)字。

　　We all felt we were unlucky to lose.

　　我們都認為我們輸了是運氣不好。

　　If you're lucky, a splendid golden eagle may soar into view

　　幸運的話，會有一只光彩奪目的金雕飛入你的視野。

　　He was lucky to get off with a small fine.

　　他僥幸逃脫懲罰，交了一小筆罰款了事。