巧合

例句：

1. 1. The two events happened at the same time, which was a coincidence.
   这两个事件同时发生，这是巧合。
2. 2. He had no idea that his meeting with her would be such a coincidence.
   他没想到他会与她的会面如此巧合。
3. 3. It's hard to believe that this coincidence led us to meet each other.
   很难相信这个巧合让我们相遇了。