go over/through something with a fine-tooth comb

US /ɡoʊ ˈoʊvər/θruː ˈsʌmˌθɪŋ wɪð ə faɪn-tuːθ koʊm/
UK /ɡoʊ ˈoʊvər/θruː ˈsʌmˌθɪŋ wɪð ə faɪn-tuːθ koʊm/
"go over/through something with a fine-tooth comb" picture
1.

revisar con lupa, examinar minuciosamente

to examine something very carefully, looking for mistakes or problems

:
The auditors will go over the accounts with a fine-tooth comb.
Los auditores revisarán las cuentas con lupa.
We need to go through the contract with a fine-tooth comb before signing it.
Necesitamos revisar el contrato con lupa antes de firmarlo.