剥茧抽丝

Explanation: Stripping: Remove the outer layer. Metaphor for things according to the order of occurrence and development of 　　Usage: -Linked; for the predicate; analogy by laws of development of things 　　Source: Qian "dialogue about the arts Zatan body": "Difficult is the starting point and core of thought, ideas From this point, according to the facts and seek coherent relationship, progressively stripping cocoon spinning, Pishajianjin." 　　Examples: This whole process, like ~, written very detailed and very level. ★ "People's Daily" 1974.11.2 Thesaurus:  Baomanzhaigua, wash grains of gold out of the sand, discard the dross and __select__ the essential, The way one gets along with people Sincerity, to be expert at selecting (the right person or thing ) for a job, etc., sift gold from sand, to keep the good and get rid of the bad (said of editing or, Essential and macro, get rid of the fake and retain the genuine, Jane from Sand Gold Antonym Group:  smarted up, cover up one's faults and refuse to listen to counsels, cover up one's errors by excuses, mud and sand are carried along— there is a mingling of good and bad, Whitewash, Niujigonglao, Niu Ji with the groove, Niujitongzao, hide one's sickness for fear of treatment, make a cart behind closed doors