穿白裙子的女孩穿牛仔裤的男孩
[chuān bái qún zi de nǚ hái chuān niú zĭ kù de nán hái]
The username paints a picture with words: 'a girl in a white dress, a boy in jeans.' It evokes a pure, nostalgic memory, possibly reflecting the user's fondness towards simple, carefree youthful days.