两部鼓吹

Explanation: Advocate: ancient ceremonial band instrumental ensemble. Two instrumental ensembles. Especially frogs. 　　Source: "South Zhi Gui Chuan Qi Shu hole" within Menting, Levin does not cut the grass, there are frogs, or asking him, saying, 'Yu Wei Chen Fan Down? 'Zhi Gui smiled and said,' I'm advocating this as two, so why move on efficiency Chung. '"