征服者脚步铿锵，纵横天下无敌手，勇往直前心无畏。插翅难飞陆进八天八夜是什么意思

　　Constantinople has been besieged many times over the centuries; but neither the bulls were able to open a single breach in their strong walls, nor did the giant chain of Golden Horn embark on the enemy ships. Moreover, If Mehmed wants to get this city, he has to fight not only against the Byzantine Empire and the Christian world behind him, but also against the greatest opposit... (展开全部)