“keep your eye on the ball”不是指“眼睛要看球”，而是全神贯注，集中注意力，警惕，谨慎小心。

【例句】
We’ve got to keep our eye on the ball if we want to remain successful.
如果我们想保持成功，我们就得全神贯注。

I graduated in just three years because I was able to keep my eye on the ball and prioritize my studies above all else.
我仅用了三年的时间就毕业了，因为我能够完全集中注意力，把学习的位置放在高于一切事物上。