愿岁月无可回头愿与君细水长流
[yuàn suì yuè wú kĕ huí tóu yuàn yŭ jūn xì shuĭ zhăng liú]
This phrase expresses the wish that time should not move backwards; it also signifies the hope of having a lasting relationship with someone special ('you') through slow but steady companionship. It's romantic, emphasizing commitment and longevity.