Was he born to be successful, or did he just luck out?

他是天生注定成功，还是侥幸成功呢？

《柯林斯英汉双解大词典》

We also might chalk up the good outcome to luck, or tell the person giving the compliment that we were “just doing our job” or that “it was nothing.

我们也把好成绩归咎于幸运，或对那些表扬我们的人说，我只是做了“本职工作”或者“没什么了不起”。

youdao

The increasing number of Sino-American disputes is not just a coincidence or a run of bad luck.

中美纠纷的不断增加，并非仅是巧合或运气不佳。

youdao

Call it faith, karma, good juju or just plain luck, but we have all hoped for just a little help in these difficult times.

FORBES: How Much Faith Do We Rely On?

Being born early can sometimes be the result of insufficient prenatal care, or just bad luck.

FORBES: The 10 Most Expensive Common Medical Conditions

Either that, or just pray that their luck continues to hold.

ECONOMIST: Inflation