难过了不要告诉别人
[nán guò le bù yào gào sù bié rén]
'When Sad, Do Not Tell Others' indicates a reserved, strong personality. People choosing this nickname likely wish to bear their sorrows alone without burdening or bothering others. It might also signify the idea that no one understands their inner turmoil. It reflects a tendency to hide one's vulnerabilities or emotions from others, showing self-restraint or self-protection.