難関なんかんnankan難なん関かん難なん関かんShow answer(Space)Suspend(@)難なん関かん難なん関かんnankanCommonRelative commonness of this word, based on various sources (incl. newspapers)CommonNoun (common)Noun (common) (futsuumeishi)Noun (common)barrier; obstacle; difficulty; hurdle; deadlock難なん関かん難なん関かんnankanbarrier; obstacle; difficulty; hurdleWhat does 難関 mean in English?barrier; obstacle; difficulty; hurdle; deadlock(n)Search the picture dictionary for 難関