披沙拣金

Explanation: Sweep aside the sand, the _select_ion of gold. Analogy from the essence of a lot of things, _select_ the 　　Usage: -Linked; as predicate, object, attribute; metaphor _select_ from a lot of things that the essence 　　Source: Liu Zhi Tang, a few "straight history book": "What history exam calendar, Zheng Zhu straight term, although the ancients dross, the authenticity of relative chaos, and Pishajianjin, sometimes by treasure." 　　Examples: ~, Received very Xian. (Qing Tao Zeng Yu, "Overview of Chinese literature") Thesaurus:  Baomanzhaigua, Stripping cocoon spinning, 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