凉情凉心姑娘我百毒不侵
[liáng qíng liáng xīn gū niáng wŏ băi dú bù qīn]
'Heartbroken, Cold-hearted Girl Who's Immune to All Poison' expresses the idea of emotional detachment after suffering from broken-hearted experiences. By saying immune to poison, the user suggests no negative impacts can penetrate her heart easily any longer.