fall in with
phrasal verbfall in with somebody/something 
- [no passive] (British English) to agree to something同意;赞成 - She fell in with my idea at once.她立刻同意了我的主意。 
 
- She fell in with my idea at once.
- to meet a person or group by chance and then become involved with them同意;赞成 - He ended up falling in with a crowd of musicians and actors.他最终和一群音乐家和演员交上了朋友。 
 
- He ended up falling in with a crowd of musicians and actors.