get your eye in
get (one's) eye in
To improve at something, often a sport, through practice. Primarily heard in UK, Australia. My brother devoted a lot of his spare time to football, in order to get his eye in before the big game.
get your eye inBRITISH
If you get your eye in, you become more skilful at doing or noticing something, after doing or seeing it many times. Going away and actually bowling in quality competitions helps you get your eye in. I just need a few shots to get my eye in again. Note: This refers to games such as cricket, golf or snooker, where it might take a while for a player to get used to the conditions of play before being able to estimate the distance and speed of the ball accurately.