Meaning of mèi mei:
mèi mei
妹妹
Noun
younger sister; young woman; CL:個|个[ge4]
Wǒ de mèimei xǐhuān chànggē.
我的妹妹喜欢唱歌。
My younger sister likes to sing.
Wǒ yǒu yī gè kě'ài de mèimei.
我有一个可爱的妹妹。
I have a lovely younger sister.
Wǒ hé wǒ de mèimei yīqǐ qù gōngyuán.
我和我的妹妹一起去公园。
My younger sister and I went to the park together.