難以 nányǐ HSK5 hard to Origin Definitions Defs Strokes Stroke Words Sentences Sents 难 難 nán adjective difficult difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róngyì以 yǐ prepositionconjunction in order to in order to; so as to; used to connect two phrases where the second is the purpose of the first