再苦再累还有你再痛再伤还有你
[zài kŭ zài lĕi hái yŏu nĭ zài tòng zài shāng hái yŏu nĭ]
'No matter how bitter, tiring, painful or hurtful it gets, there's still you left.' It emphasizes the unconditional loyalty and deep emotional connection between people, particularly through hardship.