can't fight City Hall
Unable to overcome bureaucratic rules, as in Brad couldn't get a permit without going through channels—you can't fight City Hall! This term transfers the seat of city government to a more general sense of bureaucracy in any sphere. [Mid-1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.