You need to hit the ball accurately.

你必须准确击球。

Find the exact grip that allows you to hit the ball hard.

找到能让你大力击球的准确握拍方法。

The opposing team were so convulsed with laughter that they almost forgot to hit the ball.

对方球队笑得前仰后合，几乎忘了击球。

In tennis you must hit the ball before its second bounce.

打网球时，在球第二次弹起之前你必须击中它。

At last I hit the ball with my fist and it stopped altogether.

最后我用拳头击球，球完全停了下来。