fall in with objPERSON v adv prep [T] infml to become friendly with (someone) 与…结交 He fell in with a friendly group of people when he was travelling in Europe. 他在欧洲旅行时，结交了一群友好的人。 She fell in with a strange crowd of people at university. 她在大学里结交了一伙奇怪的人。