энергично взяться за дело(Authorities immediately sprung into action to get to the bottom of the astounding turn of events and quickly determined that the downing of the tree was the work of a truly misguided individual with a chainsaw.coasttocoastam.comART Vancouver)
брать на абордаж(Originally the Russian phrase meant "to attack an enemy vessel by coming alongside it and mooring with it for the purpose of hand-to-hand combat." (Sophia Lubensky, Russian-English Dictionary of Idioms) VLZ_58)
