a romantic and/or sexual relationship between two people who are in love and not married to each other 风流韵事；（非夫妻间的）性关系 So you’re not going to tell me when your love affair with Sam ended? 这么说，你不打算告诉我你和萨姆的风流韵事是何时结束的？
- love affair (with something)
great enthusiasm for something （对某事）极大的热情，强烈的兴趣 the English love affair with gardening 英格兰人对园艺的热爱