前所未有

Explanation: Never happened before. 　　Usage: Partial official; as the predicate attribute; that has never happened before 　　Source: Song Xu degree "sweep the series was" the second volume: "The senator Xun Wu Tang led to less security rather than hospital and section Yue, never have." 　　Riddle: New invention Thesaurus:  monument, without (a) parallel, Chao Yi reclusive, rise above this world and enter on a life of security, supergroup class, surpassing all others, Chaochen to rise far above the common lot, beyond challenge, out and away, have no rival momentarily, Unmatched world, Dongliangzhicai, be absolutely matchless in the world, Guaershaoshuang, Foot stand, Single good at winning games, Classes showed off line, A group outstanding, unsurpassed, head, Online games it Unmatched world Antonym Group:  Be mediocre and unambitious Zhibei, Oversensitive Zhicai