N-COUNT
僥幸;意外;偶然
If you say that something good is a fluke, you mean that it happened accidentally rather than by being planned or arranged.
例句
The discovery was something of a fluke...
這個發現多少有點機緣巧合。
By sheer fluke, one of the shipowner's employees was in the city.
非常湊巧的是，船主的一個雇員正在城里。