铁中铮铮
      Explanation: Clank: metal containers touching voice. Metaphor of talented people.
      Usage: Partial official; as predicate, attributive; with a compliment
      Source: Southern Song Fan Ye, "Biography of the Later Han Liu basin": "Big-called iron clank, Yong is also the leader."
      Examples: Black door of an inner mention the road! Such as the Han Tian Heng, Tang Li Mi, also described as - those who are. (Ming Qu You "cut Lantern Huating every enemy in mind.")