暗恋是一座孤独的城
        
            [àn liàn shì yī zuò gū dú de chéng]
        
        
            Unrequited Love Is a Lonely City: It metaphorically compares hidden or unacknowledged love to a solitary city. Just like how cities can be vast and lonely despite being populated, unspoken love feels profoundly isolated from others.