fortuitous

形容词

1. 1

   侥幸的、凑巧幸运的

   Their meeting at the airport was entirely fortuitous but life-changing.

   他们在机场的相遇纯属侥幸，却改变了一生。

2. 2

   偶然的、意外的正式

   The discovery was fortuitous rather than the result of careful planning.

   这项发现是偶然得来的，并非精心规划的结果。