out of practice
idiomPart ofpractice
out of practice — idiom
1. no longer good at something because you have not done it for a long time.
1.idiom
Definition
no longer good at something because you have not done it for a long time.
Example
Marcus used to play the guitar well, but he is very out of practice now.
Lina apologized for her slow typing, saying she was out of practice after maternity leave.