国士无双

Explanation: Kunio: Junior outstanding personality. Refers to a unique talent in the country 　　Usage: Partial official; as object complement; refers to a unique talent in the country 　　Source: Western Han Dynasty "Historical Huaiyin Marquis Biography": "Zhujiang easy to get ear. To such believers, Kunio unparalleled." 　　Examples: Like Chen Oh, a few ordinary people; of this person, ~. (Yuan Gong Dayong "Fan Zhang Ji Su," the fourth off)