luck的释义：
n.好运;幸运;侥幸;机遇;命运;运气
v.靠运气，走运;凑巧碰上
例句：
This ring has always brought me good luck.
这戒指总是给我带来好运。
It's pot luck whether you get good advice or not.
能不能得到好的指点那就全靠运气了。
We should manage, with a little bit of luck.
我们只要有一点点运气就能应付过去。
I've had my share of luck in the past.
以前，命运也不算亏待我。
'Oh well, better luck next time,' she sighed.
“唉，就这样了，但愿下一次运气好些。”她叹息道