前仆后继

Explanation: Servant: fall; following: Then, to keep up. Fell in front of the back of keeping up. Described the heroic struggle of the heroic. 　　Usage: Joint type; as predicate, attributive, adverbial; with compliment 　　Source: Tang Qiao Sun "festival gods Zitong text": "lame horse resentful servant, the former servant after the prostrate." 　　Examples: ~ Who shall, if Regulus Sun Jun worthy! (Qing Qiu Jin "hanging Wulie Shi Yue") Thesaurus:  advance wave upon wave