A fish and a bird may fall in love, but where should they live?鱼鸟可恋，然则何地可居？The love between a bird and a fish.关于一只鱼和一只鸟的爱情。
No matter how deep their love is, they cannot be together.无论他们多么相爱，他们不能在一起。
If they are together in the sky, the fish will die.如果他们在天空中在一起，鱼会死。
If they are together in the water, the bird will die.如果他们在水中在一起，鸟会死。
This is a metaphor that describes the love between two people who are from different realms and who will fall in leaving their realms.这是一个比喻，描述了两个来自不同领域的人的爱情，他们离开各自领域都会陨落。
This is the theme song of a film "The Blue Bone which depicted such a relationship.这是电影《蓝色骨头》的主题歌，它描述了这样的关系。
