With today's announcement, she has 'set the wheels in motion' for a run for the presidency. [=she has begun to run for president]
You could almost see the 'wheels' turning in his head. [=you could almost see him thinking about how to do something]
They hoped that the tax cuts would 'grease the wheels' of the economy. [=would help the economy work better]
(..) the complex named the "Club of the Sons," with its lecture halls and libraries, its theaters and stadiums. Fathers, for whom every revolution of a machine wheel meant gold, had created for their sons the miracle of the Eternal Gardens. "Which of you ladies shall today have the honor of entertaining (..)1927 Metropolis