Английский словарь американских идиом - wade in

or wade into {v.}, {informal} 1. To go busily to work. * /The house was a mess after the party, but Mother waded in and soon had it clean again./ 2. To attack. * /When Bill had heard Jim's argument, he waded in and took it apart./ * /Jack waded into the boys with his fists flying./