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
Sheppard	['ʃepəd]
Emil	E-mil (Swedish), E-meel (German, Polish), e-MEEL (English)	Swedish, Norwegian, Danish, German, Romanian, Bulgarian, Czech, Polish, Slovene, Serbian, Croatian,
Jean (1)	ZHAWN	French
Philis	FIL-is	English (Rare)
Appleton	['æpltən]
Frane	-	Croatian