妹妹 (mèi mei) means “younger sister; young woman”. It is an HSK 2 Chinese word in the HSK 3.0 vocabulary.
Measure word: 个
Practice each character:
我妹妹很可爱。
Wǒ mèimei hěn kě'ài.
My younger sister is very cute.
Updated: 2026-05-27