1 a lecture (on/about sth) a talk that is given to a group of people to teach them about a particular subject, especially as part of a university course （尤指作为大学课程一部份的）演讲，讲课，讲座: The college has asked a journalist to come and give a lecture on the media. 学院请了一位记者来开个关于新闻媒介的讲座。a course of lectures 系列讲座

2 a serious talk to sb that explains what he/she has done wrong or how he/she should behave 训斥: We got a lecture from a policeman about playing near the railway. 我们在铁路旁边玩耍，结果给警察训斥了一顿。 lecture verb [I,T] Alex lectures in European studies at London University. 亚历克斯在伦敦大学讲授欧洲研究。The policeman lectured the boys about playing ball games in the road. 那名警察告诫那些小男孩在马路上打球很危险。