This would be the proper forehand grip.

这是正确的正手握拍法。

As you can see, the racket is pointing downwards rather than flat.

正如你所看到的，球拍的指向是朝下的，而不是水平的。

And this would be the proper backhand grip, with my thumb on the flat end of the racket.

这是正确的反手握拍法，拇指放在球拍的末端的平面。

To start, if you're right-handed, put your right hand on the racket face...

首先，如果你惯用右手，把右手放在拍面上…

...and from there, slide the racket down until you hit the grip.

…从拍面向下滑动，直到触碰到拍柄。

Close it with the first three fingers.

用前三根手指握住球拍。

Put your thumb above the middle finger...

拇指放在中指上方的位置…

...and your hand should now form a "V" with the racket grip.

…握住球拍的手呈现出一个“V”型。

It's very similar to shaking somebody's hand as you're holding this racket right now.

当你握着球拍，就像与某人握手一样。

With the forehand grip,...

正手握拍法…

...it allows you to get into proper position as you turn out the racket...

…你可以在合适的位置，手握球拍…

...and swing with your wrist,...

…摆动手腕…

...without anything blocking or hurting your wrist.

…这样，不会受到任何阻碍，也不会伤到手腕。