想要表示在某某场合下，碰巧遇到了某人，与某某不期而遇了，英文的惯用用法是：bump into someone，例如：
We bumped into Kayla in the shop.
我们在店里遇到了凯拉。
I bumped into an old friend in the bus.
我在公交车上竟然遇到了一位老朋友。
As I turned around, I bumped into Mike.
我转过身，竟然遇到了麦克。
You won't believe who I bumped into at the airport.
你猜我在机场遇到谁了？说了你肯定不信！