courtly love
noun /ˌkɔːtli ˈlʌv/
/ˌkɔːrtli ˈlʌv/
[uncountable]- a tradition in literature, especially in Medieval times, involving the love of a knight for his married lady, with whom he can never have a relationship
典雅爱情（尤指中世纪的一种文学传统，指骑士对贵妇人的忠贞但无结果的爱情）