preach /pri:tʃ/ vt. & vi. 1. 竭力鼓吹，宣传:  preach international peace 宣传世界和平；preach exercise and fresh air 倡导运动和主张呼吸新鲜空气 2. 宣讲(教义)，布道；讲道，说教： preach against drinking 劝说戒酒；preach on a text 宣讲一段经文；preach at (to) sb. 向某人唠叨地劝诫；对某人谆谆告诫