To continue to stay involved in an activity

किसी गतिविधि में जुड़े रहना

English Usage: Despite his busy schedule, he tries to keep his hand in by practicing piano a few hours a week.

Hindi Usage: व्यस्त कार्यक्रम के बावजूद, वह हर हफ्ते कुछ घंटों के लिए पियानो बजाकर जुड़े रहते हैं।