忘记你我做不到想起你我很悲伤
[wàng jì nĭ wŏ zuò bù dào xiăng qĭ nĭ wŏ hĕn bēi shāng]
Unable to forget you and remember you brings me sadness; it expresses difficulty moving on or letting go after being hurt or having suffered due to someone significant, indicating that memories bring pain instead of solace.