待我成王为你绾上青丝
[dài wŏ chéng wáng wéi nĭ wăn shàng qīng sī]
'Once I reign, I will tie my black hair for you'- implies grand ambition with romantic elements intertwined: once accomplishing great things like royalty status, would perform personal gestures for beloved indicating loyalty/love fulfilled after reaching pinnacle.