by many very smart people for many centuries . 非常に聡明な多くの人々に 信じられていました
our battle with the witches has lasted for many centuries . 魔女との攻防は 何百年も続いている...。
and has been considered for many centuries この川は何世紀もの間
that she reigned there with justice and a kind heart for many centuries . 何世紀にもわたって 正義と愛をもって治め
although gyokuyo wakashu was an extraordinary work that ushered in a new phase in the world of waka , which had reached a dead end with the shinkokinshu , it was followed only by " fuga waka shu " (collection of elegance ) and was long regarded as heretical because the conservative nijo faction led waka circles for many centuries . 玉葉集は、新古今で行き詰まった和歌の世界へ新風を吹きいれた非凡な作品であるにもかかわらず、僅かに『風雅和歌集』という後継者を得ただけで、その後何世紀にも渡って歌壇を保守的な二条派が主導したため、長らく異端視され続けた。