我以为我够坚强却输的那么绝望
[wŏ yĭ wéi wŏ gòu jiān qiáng què shū de nèi me jué wàng]
Expresses inner turmoil and vulnerability. Though believing themselves to be strong emotionally or mentally, when faced with a challenging situation or failure, they still feel completely disheartened and powerless.