to keep one's hand in
01
to practice or engage in an activity only to maintain a skill or ability
Dialect
British
British![to [keep] {one's} hand in definition and meaning](https://cdn.langeek.co/photo/45038/original/?type=jpeg "to [keep] {one's} hand in definition and meaning")
Idiom
Informal
例
He works in marketing now, but he occasionally takes on design projects to keep his hand in graphic design.
Although she retired from teaching, she still volunteers at the local school to keep her hand in and stay connected with education.
