我自已常把 Is a court available? 讲成 Is there a court available? 后来也是老美纠正我, 只要讲 Is a court available? 就可以了. 一般的运动场地可分为二种, 一种是 first come, first serve. (先到先赢) 另一种就是需要 reserve 的. 如果是需要 reserve 的场地, 可以打电话去说, I want to book a court from 3 to 4pm 就可以了, 或是说 I want to make a reservation from 3 to 4pm 也行.