凉心情菇百毒不侵凉情心姑娘早已绝情
[liáng xīn qíng gū băi dú bù qīn liáng qíng xīn gū niáng zăo yĭ jué qíng]
It conveys the metaphorical sentiment where 'A girl who experienced sadness has built emotional resistance to all sorts of harm and her heart already lost feelings.' It symbolically speaks about becoming emotionally resilient after going through tough times.