你是瓶里的水我是海里的鱼
[nĭ shì píng lĭ de shuĭ wŏ shì hăi lĭ de yú]
This online name conveys a metaphorical and poetic sentiment, suggesting the relationship between the user and another person is like the water in a bottle and a fish in the sea. They may seem close but are fundamentally separated, indicating a feeling of unattainable closeness or an impossible connection.