没热情
[méi rè qíng]
'没热情' means 'no enthusiasm', directly indicating a person lacking excitement or zeal for activities around them. Such usernames tend to portray a somewhat detached persona, maybe someone preferring solitude over social interaction. However, using a name with this connotation might actually invite curiosity about why the user would opt for it, potentially suggesting layers deeper than a surface-level understanding of their demeanor.