1)True gold fears not the fire,真金不怕火炼。2)true metal,真金属<冶>3)solid gold frame,真金镜架4)Fire proves gold,adversity proves man.,烈火识真金，逆境识英雄。5)The fire is the test of gold;adversity of strong man.,烈火试真金，困苦炼壮士。6)The fire is the test of gold,adversity of strong man.,烈火验真金，艰难磨意志。
