English version

fine-tooth comb

From Longman Dictionary of Contemporary Englishfine-tooth combˌfine-tooth ˈcomb noun   go through/over something with a fine-tooth comb
Examples from the Corpus
fine-tooth combI want to take a handful of good men and go over it with a fine-tooth comb.I went over it with a fine-tooth comb.Your lads have been over this place with a fine-tooth comb.
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