chinese untrained teenage pupilwhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhilewhile