You can express your thoughts to the teachers of Guzheng Society, explain your interest and love for Guzheng, and express your wish to join Guzheng Society. You can consult your teacher about the activities and curriculum arrangement of the Guzheng Society and what preparations you need to make to join the Guzheng Society smoothly. At the same time, I can also express my gratitude to the original dance club and say that I will continue to support the activities of the dance club when time permits. In short, we should be sincere and polite, and respect the rules of teachers and associations, so as to join the Guzheng Club smoothly and get more learning opportunities.