Like tennis, players had to hit the ball so it landed on the other side of the net inside the court lines, and not drop it.

這是一篇關於排球起源的文章裡面的一段話，一直看不懂
players had to hit the ball so it landed on the other side of the net inside the court lines
的意思，所以想請教一下這幾句話該怎麼翻譯比較好。謝謝！