luck是不可数名词。luck是抽象名词没有单复数之分。
luck:n.好运幸运侥幸机遇命运运气v.靠运气,走运凑巧碰上
第三人称单数: lucks现在分词: lucking过去式: lucked 扩展资料 
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