凉心凉情姑娘我已百毒不侵
[liáng xīn liáng qíng gū niáng wŏ yĭ băi dú bù qīn]
Translating loosely into 'My cold-hearted, indifferent girl, I am now immune to all toxins.' A way of portraying resilience after experiencing various difficulties or betrayals in life or love, implying that one's feelings have become numb or immune due to past suffering, no longer easily affected by emotions.