在岁月流逝里悄悄守候着你在茫茫人海中静静凝望着
[zài suì yuè liú shì lĭ qiăo qiăo shŏu hòu zhe nĭ zài máng máng rén hăi zhōng jìng jìng níng wàng zhe]
This username conveys a feeling of quietly watching over someone and looking at them affectionately in a crowd of people. The user likely has deep feelings for this person over a long period.