go through (something) with a fine-tooth comb

go through (something) with a fine-tooth comb

To scrutinize something; to look at something very carefully. We need to go through these files with a fine-tooth comb to find that missing paperwork. Make sure to go through your thesis with a fine-tooth comb before you hand it in—you don't want your advisors wading through proofreading errors, do you?
See also: comb, go, through
Farlex Dictionary of Idioms.
See also:
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • 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