还来不及告诉你没你我难过
[hái lái bù jí gào sù nĭ méi nĭ wŏ nán guò]
This translates as 'There was not enough time to tell you that I would have been upset without you.' It portrays a sentimental and apologetic sentiment of regret for not being able to convey feelings of missing someone or feeling down if that person is away.