heavy lift

Noun

 * 1) The handling and installation (on means of freight transport) of heavy items that are indivisible.
 * 2)  A requirement that requires a lot of work to satisfy; high bar, tall order.
 * 3) * 2023, Haaland v. Brackeen (U.S. Supreme Court No. 21-376), Justice Barrett (majority opinion):
 * When a federal statute applies on its face to both private and state actors, a commandeering argument is a heavy lift—and petitioners have not pulled it off.