難問なんもんnanmon難なん問もん難なん問もんShow answer(Space)Suspend(@)難なん問もん難なん問もんnanmonCommonRelative commonness of this word, based on various sources (incl. newspapers)CommonNoun (common)Noun (common) (futsuumeishi)Noun (common)Noun/participle taking aux. verb するNoun or participle which takes the aux. verb suruNoun/participle taking aux. verb するperplexity; difficult question; difficult problem難なん問もん難なん問もんnanmonperplexity; difficult questionWhat does 難問 mean in English?perplexity; difficult question; difficult problem(n, vs)Search the picture dictionary for 難問
