1. He spoke with confidence and conviction during the presentation.
在演讲中，他自信而坚定地讲话。
2. She spoke to her boss about her concerns regarding the project.
她向老板提出了她对这个项目的担忧。
3. The professor spoke at length about the historical significance of the artwork.
教授详细讲述了这件艺术品的历史意义。