Apart from improper bowstring drawing, another chief problem of the students that affects the clarity of the music they play is unclear clauses which results in the lack of smoothness of their playing and inadaptability in hearing.

• 学生在演奏维瓦尔迪协奏曲时，除了运弓技巧不当而影响发音的明亮外，主要的问题是旋律的分句不明确，乐句的混乱造成了演奏上的不流畅，听觉上的不适应，应引起重视。