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
Alia (2)	-	Ancient Germanic
Paraskevas	-	Greek, Late Greek
Zan	-	Chinese
Johanna	yo-HAH-nah (German), yo-HAHN-nah (Danish, Dutch), YO-hahn-nah (Finnish)	German, Swedish, Norwegian, Danish, Dutch, Hungarian, Finnish, Estonian, English, Late Roman
RocÍO	ro-THEE-o (Spanish), ro-SEE-o (Latin American Spanish)	Spanish
Evelyn	EV-ə-lin (English), EV-lin (English)	English, German