noun
exhaustive search; fine-tooth-comb search; scouring
Describes a methodical, painstaking search where every possible place is checked, like picking through lice. Often used in police or inspection contexts.
警察は山をしらみ潰しに捜索した。
The police searched the mountain inch by inch.
書類をしらみ潰しに調べて、ミスを見つけた。
I went through the documents with a fine-tooth comb and found the mistake.