One of the mysteries of the English language finally explained.
1‘if you are really on the ball, you'll guess the killer’
alert, quick-witted, sharp, bright, quick, keen, perceptive, wide awake, responsive, agile, acute, astute
on one's toes, quick off the mark, quick on the uptake, all there, with it, bright-eyed and bushy-tailed
North American whip-smart
In this article we explore how to impress employers with a spot-on CV.