ball game/ˈ· ·/ n [C] 1AmE a game of BASEBALL, BASKETBALL, or football 【美】 球类比赛〔指棒球、篮球或足球比赛〕 2informal a whole new ball game/a different ball game a situation that is very different from the one you were in before 【非正式】 全新的/完全不同的情况: I've used word processors before, but this is a whole new ball game! 我以前用过文字处理机，但这个却是全新的东西。