to search with a fine-toothed comb 仔细搜查(成语)
英文释义
(IDIOM) To search with very careful attention (NOTE: "fine" here means "very thin and narrow").
例句
Seeking clues to the murder, the police investigators searched the victim's house with a fine-toothed comb.
为了寻找这起谋杀案的线索,警探仔细搜查了被害人的房子。