铜筋铁骨

Explanation: Such as copper as the tendons, such as iron, like the bone. Analogy is very strong body. Also refers to weight of any person. 　　Usage: Joint type; as the predicate attribute; with compliment 　　Source: Yuan Yang Siam "Journey to the West" the second out of the ninth: "Pirates of the Lao Zi refining my saver, nine turn refining was steel, his piercing eyes." 　　Examples: He was originally a ~, it _set_ off a large black cloth coat, looking like a redneck. (Qing "sorrow alternate") Thesaurus:  Tongjintiele