shake his finger at

• vt. 用食指点

例句

用作及物动词 (vt.)

1. The use of his right index finger points to first-and at the same time using his right hand thumb Boxian, and then released right index finger and produce a low hook-pitch.
   使用右手食指点出第一个音时，同时用右手拇指拨弦，然后释放右手食指，产生一个音高较低的勾音。