Search Result for "be_on_the_ball":
Wordnet 3.0

VERB (1)

1. be well-informed;
[syn: know the score, be with it, be on the ball, know what's going on, know what's what]



WordNet (r) 3.0 (2006):

be on the ball
    v 1: be well-informed [syn: know the score, be with it, be
         on the ball, know what's going on, know what's what]