Your son should encounter such a good luck! His illness will be gone soon.

原来你家小栓碰到了这样的好运气了。

youdao

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。

《牛津词典》

The game is poised on a knife-edge. One mistake or one piece of good luck could decide it.

比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。

《柯林斯英汉双解大词典》

Good luck. For those interested, the Guinness World Records website has a section called Set a Record.

VOA: special.2011.05.16

This would be good luck if you were long and now suddenly you got a huge return that you would not have thought was possible since you've never seen it before.

如果你长期持有这份投资,你就走运了,回报如此之高,你自己都没有料到,可能你也从来没有见过这种情况

耶鲁公开课 - 金融市场课程节选

but sometimes when I have a really good day and I'm feeling my luck is good,

有时候，可能某一天特别顺利，我感觉我这天的运气挺好的，

沉迷于彩票的人们 - SpeakingMax英语口语达人

And micro-grids are getting a good luck, as they could supply the necessary power to the local gas station, supermarket, emergency shelter, police and fire station until the larger systems are restored.

FORBES: With All Eyes On Hurricane Sandy, A Good Time to Evaluate Micro-Grids

Or how about Ohio State head football coach Urban Meyer, who found himself in a bit of trouble after simply wishing a prospective recruit good luck before a game.

FORBES: NCAA Commits Severe Violations In Miami Investigation

Johnson's father used to ask people to light a candle for him as a good-luck charm.

BBC: Championship chargers