抽丝剥茧

中文对照

1.比喻由浅入深，逐步分析，探求某件事的真相。

对照来源：本站汉语词典

抽絲剝繭

拼音

chou1 si1 bo1 jian3

lit. to unwind the silk thread from the cocoon (idiom)

fig. to unravel a mystery; to painstakingly follow the clues to eventually get to the bottom of the matter