半夏半暖半流年半冬半冷半珍惜
[bàn xià bàn nuăn bàn liú nián bàn dōng bàn lĕng bàn zhēn xī]
Meaning 'Half Summer, Half Warm, Half Years; Half Winter, Half Cold, Half Cherish'. The username describes fleeting time through seasons, suggesting appreciating moments as they pass by.