我不知道你爱不爱我我只知道我爱不爱你
[wŏ bù zhī dào nĭ ài bù ài wŏ wŏ zhĭ zhī dào wŏ ài bù ài nĭ]
It translates to 'I don't know if you love me, but I know whether I love you.' The netizen expresses uncertainty about reciprocal feelings while being certain about their own emotions.