have a lot on the ball
To be attentive, knowledgeable, and quick to take action. Primarily heard in US. I'm so glad that my assistant has a lot on the ball because I'm too scatterbrained to manage my schedule on my own. I can't believe Molly got that report done so quickly—she really has a lot on the ball.
have a lot on the ball
have a lot of ability. UShave something/a lot on the ˈball
(American English, informal) be capable of doing a job very well; be intelligent: I think she has a lot on the ball and would make an excellent senator.have a lot on the ball
phr. [for someone] to have ability and knowledge and be attentive and useful. She can do it. She’s got a lot on the ball.