RUN FOR ONE'S MONEY

{n. phr.} 1. A good fight; a hard struggle. - Usually used with "give" or "get". * /Our team didn't win the game, but they gave the other team a run for their money./ 2. Satisfaction; interest; excitement. - Usually used with "give" or "get". * /People like to watch the champion fight because they get a good run for their money from him./ * /A good student gives a teacher more than a run for his money./