be a tall order

be a tall order

To be a difficult task to complete or accomplish. The boss wants me to compile 300 pages of data today, which is a tall order. Baking hundreds of cupcakes in one night is a tall order.
See also: order, tall
Farlex Dictionary of Idioms.
See also:
  • a tall order
  • tall order
  • it's a tall order
  • that's a tall order
  • like it was going out of style
  • do something like it's going out of style
  • (do something) like it's going out of style
  • like it's going out of fashion
  • (do something) as if it's going out of style
  • a committee is a group of men who keep minutes and waste hours