你可知我心思念你可知我心浮乱
[nĭ kĕ zhī wŏ xīn sī niàn nĭ kĕ zhī wŏ xīn fú luàn]
'Do you know that I miss you? Do you know how much my heart is troubled?' This phrase indicates unreciprocated longing or concern about another person's awareness of the feelings held for them.