你的绝情我看透了一切我的一片痴心你看不到
[nĭ de jué qíng wŏ kàn tòu le yī qiè wŏ de yī piàn chī xīn nĭ kàn bù dào]
Your heartlessness makes me see through everything but my devotion is unseen by you. Reflects pain over a lack of recognition of affection or effort given in a relationship.