From the content point of view, we should pay attention to transition, be core, logical, organized, argumentative, and give consideration to rationality and sensibility.
In terms of appearance, we should pay attention to posture (posture), hands (posture), eyes (spirit), face (emotion) and voice (sound).
In terms of skills, we should pay attention to the use of various teaching methods, such as speeches, stories, cases, charts, questions, pictures and even music, videos and exercises.
Psychologically speaking, we should pay attention to adults' learning psychology, such as attracting the audience's attention, paying attention to the audience's reaction and stimulating the audience's investment.
I wish the trial lecture a success!