掏心掏肺还是没人在乎我
[tāo xīn tāo fèi hái shì méi rén zài hū wŏ]
It means 'Pouring out one's heart and soul, yet still no one cares about me.' This conveys a sense of desperation and hurt feelings, reflecting on situations where efforts made seem to go unnoticed or ignored by others.