不期而遇英文meet by chance，缩写MBC。
例句：The two meet by chance and affirm their love for each other.两人不期而遇，一见钟情。
不期而遇的意思是事先没有联系，突然相遇，偶然相遇，因此，不期而遇的英文还有许多种说法 ，如by chance，by accident，to cross again等
例句1 Our paths were to cross again many years later.多年以后，我们又不期而遇了
例句2 We met by accident at the airport.我们在机场不期而遇。
