●ˌcatch ˈup with sb1.if the police or people in authority catch up with sb, they finally find out that he/she has done sth wrong and punish him/her终于查到（某人）；终于把（某人）绳之以法◆They were involved in burglary for years before the police caught up with them. 警察最终抓住他们时，他们已入室盗窃好多年了。2. ( ˌcatch ˈup on sbless frequent) if sth you have done or sth that has been happening to you catches up with you, it starts to cause you problems that you have so far managed to avoid产生（曾经设法回避的）问题◆His past is finally catching up with him. 他的过去终于让他吃到了苦头。◆The late nights were beginning to catch up with her. 熬夜的习惯开始让她品尝恶果了。3. (informal) to meet sb you have not seen for a while and hear their news（小别之后）了解（某人）的近况◆He just wants to rest and catch up with old friends. 他只想休息一下，找老朋友叙叙旧。◆Catch up with you later! 回头找你聊聊！◆We’ve got a lot of catching up to do after all this time! 过了这么久，我们有很多话要说！OBJfriends[v + adv + prep]