恨我为什么不弄死我爱我为什么不珍惜我
[hèn wŏ wéi shén me bù nòng sĭ wŏ ài wŏ wéi shén me bù zhēn xī wŏ]
The phrase roughly translates to 'if you hate me, why don't you kill me; if you love me, why don't you cherish me', expressing frustration and emotional turmoil from unappreciated affection or rejection.