The Chinese word for hip is
髋部

kuān bù

Chinese Definition

hip
1. 臀；髋；股
Components
髋
1. Simplified form of 髖
部
1. part; division; section
2. department; ministry
教育部 - ministry of education
中華.人民.共和國文化和旅遊部 - Ministry of Culture and Tourism of the People's Republic of China
3. (historical) An administrative division governed by a ministry.
我想去看一部電影。 - I want to see a movie.