凉情凉心姑娘百毒不侵
[liáng qíng liáng xīn gū niáng băi dú bù qīn]
Translates to 'A dispassionate and emotionally cold girl is immune to all harms.' This implies the owner feels indifferent or guarded, believing that nothing can affect their heart anymore. The user may have built up walls due to past experiences.