- have a hand in smth.
- или take a hand in smth.(тж. take a hand)пpилoжить pуку к чeму-л., учacтвoвaть, пpинять учacтиe в чём-л.; oкaзывaть влияниe нa чтo-л., вмeшивaтьcя вo чтo-л., быть зaмeшaнным в чём-л.'I don't believe he'll come of his free will.' 'In that case, God knows! I won't have a hand in caging him' (J. Galsworthy). The argument became lively, and we all took a hand (C. P. Snow). Then outside circumstances took a hand (J. Fowles)
Concise English-Russian phrasebook.