{v. phr.} To have a part in or influence over; to be partly responsible for. * /Sue's schoolmates respect her and she has a hand in every important decision made by the Student Council./ * /Ben had a hand in getting ready the Senior play./ Compare: FINGER IN THE PIE.
HAVE A HAND IN
Meaning of HAVE A HAND IN in English
Slang English vocab. Английский сленговый словарь. 2012