抱蔓摘瓜

Explanation: Deeper investigation. Metaphor to expand the case, implicated innocent people. 　　Usage: Joint type; as the predicate attribute; metaphor annihilation 　　Source: Tang Li Xian "Huang Taiwan melon speech": "melon yellow audience, Lili ripe melon. A pick the melon is good, and then pick the melon thin, three pick Youzi can, go pick must hold Man." 　　Examples: ~ I, I, like broken nest eggs will survive Jun thin. (Qing Qian, "Wall Station Lincheng not see Fang Shiyu child poem") Thesaurus:  Stripping cocoon spinning, 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