sermon
/ˈsɜ:mən; `səmən/ n
1
(a) talk on a moral or religious subject, usu given by a clergyman from the pulpit during a religious service 讲道（通常指教士在讲坛上做出的）.
(b) such a talk in printed form （印刷的）讲道文章
a book of sermons 讲道集.
2 (fig infml 比喻, 口) long talk about moral matters or about sb's faults, etc （对某人的错误等的）一大通教训
We had to listen to a long sermon about not wasting money. 我们硬著头皮听了一通别浪费钱的大道理.