do (one's) darndest

do (one's) darndest

To put forth the utmost amount of energy or effort toward some task or goal. A more polite version of "do one's damndest." Money is a little tight at the moment, but I'll do my darndest to be there for your wedding.
See also: darndest
Farlex Dictionary of Idioms.
See also:
  • darndest
  • do (one's) darnedest
  • do (one's) damndest
  • damndest
  • try (one's) damndest
  • do (one's) utmost
  • do/try your utmost
  • give (something) (one's) all
  • empty the tank
  • give it your best shot