noun, particle · the symbolic river representing romantic love and affection, often used in the context of falling in love

这对年轻人已经坠入爱河，正商量着结婚的事。

noun · in Buddhism, a metaphorical river of worldly passions and attachments that hinders spiritual enlightenment

佛经中常将贪欲比作爱河，认为它是修行者的障碍。