Fast ball versus slider, versus change up,

是投快球弧线球还是变速球
all sorts of different things.

诸如此类的情况
All right, so there's different ways of throwing the ball,

好的也就是说有不同的投球方式
and there's going to be randomization from the pitcher,

这对投手来说是一个随机化的过程
or at least it's going to look like there's randomization by the pitcher

至少看来投手似乎在随机选择
over whether to throw a fast ball or a curve ball or whatever.

是投速快球还是弧线球还是别的什么投法
How is the hitter randomizing there?

那击球员有没有随机化呢
How is the hitter randomizing?

击球员会如何随机化呢
Is the hitter randomizing at all?

击球员到底有没有随机化的情况呢
What's the hitter doing while this is going on? Anybody?

谁来回答击球员要干什么呢
Yeah.

你来吧
He's choosing whether to swing or not to swing.

他要选择是否要挥棒