我深知你是梦却爱了你好久
[wŏ shēn zhī nĭ shì mèng què ài le nĭ hăo jiŭ]
'I know you’re just a dream, yet I have loved you for so long.' This is romantic and poetic, suggesting deep-seated feelings for someone unattainable or idealistic, indicating a dreamy and possibly long-standing infatuation.