sudar a mares

Meanings:

• 1.

  SpainLatin Americageneral Spanishneutralinformal
  • Literal: to sweat profusely; to perspire heavily.

• 2.

  SpainLatin Americageneral Spanishinformalcolloquial
  • Figurative: to undergo great effort or struggle; to work very hard or endure severe difficulty.