正确词组为Good luck，意思是祝你好运，例如：
1、Good luck ─ I'm rooting for you!祝你好运——我支持你！
2、Good luck and God bless you.祝你好运，愿上帝保佑你。
3、This ring has always brought me good luck.这戒指总是给我带来好运。
4、A mixture of skill and good luck decided the outcome of the game.技术和运气结合在一起决定了比赛的结果。
