chalk talk
noun/ˈtʃɔːk tɔːk/
/ˈtʃɔːk tɔːk/
(North American English)- a talk or lecture, especially one given by a sports coach to a team, in which the speaker draws diagrams on a board to explain particular points
粉笔演讲：演讲或演讲，特别是体育教练给团队的演讲或演讲，演讲者在板上绘制图表以解释特定要点 - a pre-game chalk talk
赛前粉笔演讲
- a pre-game chalk talk