ball game的复数形式怎么写？

n.球类运动，棒球，情况，局面...

Two of his biggest competitors are out of the ball game.他的两大劲敌出局了。I'd still like to go to a ball game.我还是想去看一场棒球赛。Are you going to the ball game?你去看棒球赛吗？...

ball game的音标：ball game的英式发音音标为：[bɔ:l ɡeim]ball game的美式发音音标为：[bɔl ɡem]...