Teacher Waiting is extremely passionate about singing. He quickly discerns my underlying issues and provides fitting solutions. In class, he uses vivid metaphors to guide students in proper vocalization and patiently answers my questions. I sense the teacher's professional knowledge, and it's been a very rewarding learning experience. Teacher Waiting adeptly hand various situations and imparts course content in a clear and accessible manner to students. Additionally, Teacher Waiting excels in elucidating physiological structures, enabling students to comprehend the princip of vocalization. In conclusion, Teacher Waiting is a highly recommended teacher. His teaching is filled with enthusiasm, and he demonstrates care and responsibility towards students' singing growth and progress.