love affair

英 [ˈlʌv əfeə(r)]

美 [ˈlʌv əfer]

n. 风流韵事; (非夫妻间的)性关系; (对某事)极大的热情，强烈的兴趣

Collins.1

牛津词典

noun

风流韵事；（非夫妻间的）性关系
a romantic and/or sexual relationship between two people who are in love and not married to each other
（对某事）极大的热情，强烈的兴趣
great enthusiasm for sth
1. the English love affair with gardening
  英格兰人对园艺的热爱

N-COUNT 风流韵事；（非夫妻或同居情侣间的）恋爱（或性）关系
Alove affairis a romantic and usually sexual relationship between two people who love each other but who are not married or living together.
1. ...a stressful love affair with a married man.
  与一个已婚男人的痛苦婚外情
N-SING 极大的喜爱；强烈的的兴趣
If you refer to someone'slove affair withsomething, you mean that they like it a lot and are very enthusiastic about it.
1. ...the American love affair with firearms...
  美国人对枪支的癖好
2. Tom's love affair with France and most things French knew no bounds.
  汤姆对法国和大多数法国东西都无比热爱。

noun

So I began another sensational love affair, which, of course, again ended tragically.
于是我又有了一场海誓山盟的恋爱，结果当然也不妙。
The love affair between Lewinsky and President Clinton is the core of the scandal.
莱温斯基和克林顿总统的恋情是这项丑闻的核心。
These two girls were my first love affair.
这两个女孩是我的初恋情人。
Her 10-year love affair is about to culminate in a wedding.
她长达十年的爱情长跑终于要在婚礼中走向高潮了。
Samantha: Let's hear what the worldwide love affair with the romance novel is about, in Dateline USA.
萨曼莎：在美国报道中，让我们来听听全世界与浪漫小说的相恋吧。
You thought they would get along pretty well, a great love affair!
你以为它们会相处得很好，多好的一对啊。
With the end of my love affair, I lost all the self-confidence I once had
恋爱告吹后，我一时间自信全无。
As he continues his revolt, he also has a love affair with Isabella, Edward's daughter-in-law.
他继续领导起义，同时与爱德华的儿媳妇伊莎贝拉擦出爱的火花。
Tom's love affair with France and most things French knew no bounds.
汤姆对法国和大多数法国东西都无比热爱。
Spending time with him was like a teenage love affair, 'she says.
她说：和他在一起，感觉就像学生时代的恋爱一样。