1. Introduce the benefits of dancing to parents: Dancing helps to enhance cardiopulmonary function, enhance physical flexibility, improve physical coordination and flexibility, and improve mental health.

2. Let your parents know your efforts: show them your efforts in learning dance, show them photos of you practicing dance at home or taking dance classes, and let them see that you are really focused on learning dance.

3. Ensure your parents' safety: assure your parents that you are well taken care of when you are learning dance, and let them see that you have chosen a well-trained teacher in the dance school and have good safety measures.

4. Communicate with your parents: Let your parents know your thoughts, actively communicate with them about dance learning, and let them know that your decision is for a positive purpose, not to challenge their authority.