A providential event is lucky because it happens at exactly the right time.
例句
He explained the yellow fever epidemic as a providential act to discourage urban growth...他解释说黄热病的流行恰好减缓了城市的扩张。The pistols were loaded so our escape is indeed providential.手枪是上了子弹的,所以我们能逃脱实在幸运。
英英词典释义
Adjective
1. peculiarly fortunate or appropriate; as if by divine intervention;
"a heaven-sent rain saved the crops""a providential recovery"
2. relating to or characteristic of providence;
"assumption that nature operates only according to a providential plan"- M.R.Cohen