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
Paisley	-	English (Modern)
Henda	-	Yiddish
Baldarich	-	Ancient Germanic
AindriÚ	-	Irish
Bonifacio	bo-nee-FAH-cho (Italian), bo-nee-FAH-thyo (Spanish), bo-nee-FAH-syo (Latin American Spanish)	Italian, Spanish, Portuguese
Noureddine	-	Arabic