妹妹 mèimei HSK1 younger sister Origin Definitions Defs Strokes Stroke Words Sentences Sents mèimei younger sister · wife 妹 mèi reduplication younger sister (bound form) younger sister; a female relative of the same generation who is younger than oneselfmèimei young woman 妹 mèi reduplication young woman (bound form) a general term for a young woman or girl