go over (something) with a fine-tooth comb

go over (something) with a fine-tooth comb

To scrutinize something; to look at something very carefully. We need to go over these files with a fine-tooth comb to find that missing paperwork. Make sure to go over 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, over
Farlex Dictionary of Idioms.

go over something with a fine-tooth comb

 and search something with a fine-tooth comb; go through something with a fine-tooth comb
Fig. to search through something very carefully. I can't find my calculus book. I went over the whole place with a fine-tooth comb. I searched this place with a fine-tooth comb and didn't find my ring.
See also: comb, go, over
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

go over/through something with a ˌfine-tooth ˈcomb

(informal) search or look at something very closely or carefully: I went through the accounts with a fine-tooth comb checking for mistakes. The police went through his room with a fine-tooth comb.
See also: comb, go, over, something, through
Farlex Partner Idioms Dictionary
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