keep your hand in

US /kiːp jʊər hænd ɪn/
UK /kiːp jʊər hænd ɪn/
"keep your hand in" picture
1.

mengekalkan kemahiran, tidak hilang sentuhan

to continue to do something regularly so that you do not lose your skill

:
Even though she retired, she still teaches a class once a week to keep her hand in.
Walaupun dia sudah bersara, dia masih mengajar kelas seminggu sekali untuk mengekalkan kemahirannya.
He likes to play chess occasionally just to keep his hand in.
Dia suka bermain catur sekali-sekala hanya untuk mengekalkan kemahirannya.