набивать руку на чем-н.
Перен.; разг. to become a practised/skilled hand at smth.; to become a dab hand; to get one's hand in at smth.
Источник:
Полный русско-английский словарь
на Gufo.me
Перен.; разг. to become a practised/skilled hand at smth.; to become a dab hand; to get one's hand in at smth.