苦心くしんkushin苦く心しん苦く心しんShow answer(Space)Suspend(@)苦く心しん苦く心しんkushinCommonRelative 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pains; hard work; effort; trouble; labour苦く心しん苦く心しんkushinpains; hard work; effort; trouble; labourWhat does 苦心 mean in English?pains; hard work; effort; trouble; labour(n, vs)Search the picture dictionary for 苦心