делиться секретами с кем-л. I think the local police are in with the criminals. I could get you a better price on that, I'm well in with their chief buyer.
BE IN WITH
Англо-русский перевод BE IN WITH
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012