心疼你的心脏里没有我心疼你的脑子里想的他
[xīn téng nĭ de xīn zàng lĭ méi yŏu wŏ xīn téng nĭ de năo zi lĭ xiăng de tā]
Roughly means 'Painfully missing your heart which holds no place for me, sadly knowing the he occupying your mind.' This highlights emotions of hurt over being unwanted or unconsidered compared to another, showcasing feelings of jealousy and sorrow when dealing with failed reciprocation of affections