The ball grow. Do not put any part of the body or in contact with Racket internet. Do not hit the ball to the opposite side hit back as the ball did not cross the net to us (over net).
We hit the ball well. Do not put any part of the body, or wood, dapai experience; Do not hit the ball at the opposite side of the debate back while the ball did not cross the net to land (Over net).
When you hit return, do not take any part of your body or the timber mill to purify (Do not touch the ball on the opposite struck back, and while I have not come across the border nets we (Over net).