From Longman Dictionary of Contemporary Englishget into the swing of it/thingsget into the swing of it/thingsTAKE PART/BE INVOLVEDto become fully involved in an activity Once we got into the swing of it, it took no time at all. → swing
Examples from the Corpus
get into the swing of it/things• As the afternoon wears on, Paul Merton gets into the swing of things.• In the evening a fun event will be held to get into the swing of things.• But once you get into the swing of it, the anatomy takes care of itself. 