1. When we were having dinner the guy next to us was holding forth on what women want.2. At the forum a professor was making a speech on why abortion should not be legal.
 hold forth on make a speechmake a speech 簡單又好用，而 hold forth on 有講話的人對話題很有興趣但別人卻聽的很無聊的意思
After her husband went on a buiness trip to Paris, she waited for his return anxiously.