鸣锣开道

Explanation: Officials in feudal times out, the gong in front of people who ordered the open pedestrian way. Compared to the appearance of something, create a momentum, opening up roads. 　　Usage: -Linked; as the predicate attribute; containing derogatory 　　Source: Qing Wu Jian "Twenty years Strange" 99 back: "Almost all official out to the streets, must be paving the way for." Thesaurus:  wave flags and shout battle cries, Prompting in imperial China when a ranking official was on tour, the advance party of his retinue, Drum cheer, facilitate momentum impetus, outcry cheer