你的过去我无法参与你的未来我奉陪到底
[nĭ de guò qù wŏ wú fă cān yŭ nĭ de wèi lái wŏ fèng péi dào dĭ]
This long sentence name translates to 'I cannot participate in your past, but I will stay by your side for the rest of your future'. It conveys a commitment to staying with someone, despite not knowing them previously.