当你 have your eye on the ball, 那么就是说你把注意力都放了这件事情上，全神贯注。

例句

I've got my driving test this afternoon. I really need to keep my eye on the ball if I'm going to pass.

I'm going on safari today. If I keep my eye on the ball, I might be lucky and see a lion!

Keep your eye on the ball with this project – we need to make sure we deliver it on time!

请注意

如果你 drop the ball, 那就是说你犯错误了，做错事了。

I really dropped the ball in that interview – there's no chance I'll get the job.