我姓韩却不会让你心寒
[wŏ xìng hán què bù huì ràng nĭ xīn hán]
The literal translation of this username means, 'My surname is Han, but I won't let you down'. The word 'Han' in Chinese has dual meanings; it can denote a last name and also means to freeze or feel cold. Hence, it can be seen as 'My family name is Han, but I promise I won't leave you heartbroken/cold (emotionally)' conveying both pride over lineage while assuring empathy towards someone.