fine-toothed comb

• 比喻义指非常仔细、彻底、详尽地搜查或检查某事物，就像用细齿梳子找出极小的东西一样。

A phrase used metaphorically to mean examining something very carefully, thoroughly, and in great detail, as if searching for something tiny with a comb that has very fine teeth.

1. Literal meaningB1formal

   A comb with closely spaced teeth, used for removing lice or fine debris from hair.

   细齿梳

   • She used a fine-toothed comb to remove the tangles from her hair.
   • The barber recommended a fine-toothed comb for detangling.
   • He carefully brushed his hair with a fine-toothed comb.

2. Figurative meaningB2informal

   To examine something very carefully and thoroughly.

   仔细检查

   • The detective went through the evidence with a fine-toothed comb.
   • We need to review the contract with a fine-toothed comb before signing.
   • She analyzed the report with a fine-toothed comb to find any errors.