难于 nányú to be difficult to Definitions Defs Origin Strokes Stroke Words Sentences Sents nányú to be difficult to 难 難 nán adjective difficult difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róngyì于 於 yú preposition in Indicates a location, scope, or time; equivalent to 在 zàinányú to be harder than 难 難 nán adjective difficult difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róngyì于 於 yú preposition than Used after a word describing a quality to indicate comparison