我深知你是梦你可知我会痛
[wŏ shēn zhī nĭ shì mèng nĭ kĕ zhī wŏ huì tòng]
Translates to 'I know you are a dream, do you know I will feel pain?' It conveys a sense of unattainable love—where someone realizes the beloved might only exist as an illusion but it still causes emotional pain.