love affair

柯林斯词典

1. N-COUNT 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
...a stressful love affair with a married man. …和一个已婚男子的一段备受压力的风流恋情。
2. N-SING If you refer to someone's love affair with something, you mean that they like it a lot and are very enthusiastic about it. (对某物的) 强烈兴趣
...the American love affair with firearms. …美国人对枪支的强烈兴趣。