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.

Common Names:

Name	Pronounced	Usage
Violante	-	Late Roman
Assunta	-	Italian
Elizabeth	i-LIZ-ə-bəth (English)	English, Biblical
Mandeep	-	Indian (Sikh)
Beverley	['bevəli]
Klaus	KLOWS (German, Finnish)	German, Danish, Norwegian, Finnish