1N-COUNT 风流韵事;(非夫妻或同居情侣间的)恋爱(或性)关系 A love affair is a romantic and usually sexual relationship between two people who love each other but who are not married or living together. 风流韵事;(非夫妻或同居情侣间的)恋爱(或性)关系 [Also + between]
...a stressful love affair with a married man. [+ with]
2N-SING 极大的喜爱;强烈的的兴趣 If you refer to someone's love affair with something, you mean that they like it a lot and are very enthusiastic about it. 极大的喜爱;强烈的的兴趣
...the American love affair with firearms. [+ with]
美国人对枪支的癖好
Tom's love affair with France and most things French knew no bounds.