虱潰し

しらみつぶし

very thorough search (for contraband, escaped convict, etc.); fine-tooth-comb search; exhaustive search; scouring

noun

Example sentences

救援隊（きゅうえんたい）は子供（こども）をしらみつぶしに捜（さが）した。

The rescue worker searched the area, looking for the child.