give someone or something a run for their money

give (one) a run for (one's) money

To challenge one's ability, fortitude, or patience. Don't underestimate our opponents today—I think they'll give us a run for our money. Having an infant and a toddler sure is giving me a run for my money.
See also: give, money, run
Farlex Dictionary of Idioms.

give someone or something a (good) run for their money

provide someone or something with challenging competition or opposition.
1997 Rugby World Beaten Welsh Cup finalists Swansea gave them a good run for their money for much of the campaign before fading away.
See also: give, money, run, someone, something
Farlex Partner Idioms Dictionary
See also:
  • give (one) a run for (one's) money
  • give someone a run for their money
  • show (someone) what (one's) made of
  • what you are made of
  • what (one) is made of
  • what somebody is made of
  • stand tall
  • an all-out effort
  • walk tall
  • walk tall, to