袖章

dài xiù zhāng

戴袖章

wear an armband

hóng xiù zhāng

红袖章

red armband

bīng shì men diū diào wǔ qì jūn guān men sī xia xiù zhāng

兵士们丢掉武器，军官们撕下袖章。

Soldiers were throwing down their arms and officers were cutting insignia of rank from their sleeves.