时间似深海溺海久不返
        
            [shí jiān sì shēn hăi nì hăi jiŭ bù făn]
        
        
            'Shi Jian Si Shen Hai Ni Hai Jiu Bu Fan', meaning 'Time like drowning in the deep sea for a long time not returning,' conveys a poignant feeling where the passage of time can feel like a drowning experience. The depth of emotion is implied, indicating someone feels submerged and unable to surface due to the relentless flow of time or overwhelming emotions.