hold forth (verb)

1. The professor held forth on the principles of physics, speaking passionately about the laws of motion and energy.

2. During the dinner party, Mark held forth with a series of elaborate jokes, causing laughter to fill the room.

3. The film critic held forth on the influence of French New Wave cinema, discussing its unique visual style and storytelling techniques.

4. Sarah held forth on the topic of true love, describing her ideal romantic partner and sharing her thoughts on building a lasting relationship.