其具体作法是：向前伸出胳膊，手心向外，但胳膊不动，只是用手指上下摆动。

The specific practice is: to move his arms, palms outward, but the arm does not move, just use your fingers up and down.

youdao

其具体作法是：向前伸出胳膊，手心向外，但胳膊不动，只是用手指上下摆动。

The specific practice is: to move his arms, palms outward, but the arm does not move, just use your fingers up and down.

youdao