Английский словарь американских идиом - in the swim

{adj. phr.} Doing the same things that other people are doing; following the fashion (as in business or social affairs); busy with what most people are doing. * /Jim found some college friends at the lake that summer, and soon was in the swim of things./ * /Mary went to New York with introductions to writers and artists, and that winter she was quite in the swim./ Contrast: OUT OF THE SWIM.