"Wearing a red scarf" 用英语可以说成 "donning a red scarf" 或 "sporting a red scarf"。
在中国文化中，戴红领巾通常是少先队的标志，这个组织是中国建立的青少年组织。
例句:
He was spotted donning a red scarf, a symbol of his membership in the communist youth league.
The students were sporting red scarves as they marched in the parade.
翻译：
他戴着一条红领巾，这是他身份的象征。
学生们戴着红色的领巾在队伍中。