do something/anything about

do something/anything about

To take some action to change or cope with something. Can you please do something about your attitude? Your grumpiness is becoming a problem. Ugh, it seems like we can't do anything about the noise—the construction will be going on for at least another month.
See also: anything, something
Farlex Dictionary of Idioms.

do (something) about

someone or something to manage or deal with someone or something. Can you please do something about Bob? He is too noisy. We were not able to do anything about the excessive rent increase.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (I) wouldn't (do something) if I were you
  • a/the feel of (something)
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
  • a bird in the hand