君不愿绾妾青丝共浮华
[jūn bù yuàn wăn qiè qīng sī gòng fú huá]
This literary and elegant sentence means 'If you do not wish to tie my black hair together in the midst of extravagance', referring to an old love or unrequited desire, with 'winding the black hair' symbolizing unity in marriage or commitment amidst luxury and wealth.