我知道你不喜欢我我走行吗
[wŏ zhī dào nĭ bù xĭ huān wŏ wŏ zŏu xíng ma]
Directly translated as 'I know you don't like me, it's okay for me to leave', it expresses feelings of unrequited love, acceptance of rejection, and a wish to gracefully move on from a one-sided relationship.