帝都dìdūTop 25000Meanings1. imperial capitalCharacters used帝emperor都allExamples1大家dàjiā习惯xíguàn把bǎ上海Shànghǎi称为chēngwéi魔都Módū，把bǎ北京Běijīng称为chēngwéi帝都dìdū。Everyone's used to calling Shanghai "Módū" and calling Beijing "Dìdū".