The Chinese word for shoulder is
肩膀

jiān bǎng

Chinese Definition

Components
肩
1. shoulders
扛兩百斤麥子走十里山路不換肩 - Shoulder 100kg of wheat and walk 5km of mountain trail without swapping shoulder.
2. to shoulder; to undertake; to take on
3. to bear
膀
1. upper arm; shoulder
2. wing
3. Only used in 膀胱
4. (chiefly Mandarin, colloquial) swollen; puffed
那nèi.個人臉都膀pāng 了。 - That person's face is swollen.
5. Only used in 吊膀子 (, 膀子吊)

肩
1. shoulders
扛兩百斤麥子走十里山路不換肩 - Shoulder 100kg of wheat and walk 5km of mountain trail without swapping shoulder.
2. to shoulder; to undertake; to take on
3. to bear