毛衣 (máo yī) means “(wool) sweater”. It is an HSK 4 Chinese word in the HSK 3.0 vocabulary.
Measure word: 件
Practice each character:
天冷了,穿毛衣吧。
Tiān lěng le, chuān máoyī ba.
It's cold, wear a sweater.
Updated: 2026-07-18