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

And all these somehow became the beginning of an invisible love affair between us two.
而这就很快变成了我们隐形恋情的开端。
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。
He has a love affair with that beautiful woman.
他和那个美丽的女子关系暧昧。
She began a torrid love affair with a theatrical designer.
她和一位舞台设计师开始了一场狂热的恋情。
Now it seems America's love affair with the plastic doll may also be coming to an end.
如今，美国人对这个塑料娃娃的酷爱之情也似乎即将结束。
He hits the ceiling at the mere mention of his unsuccessful love affair with Emily.
一提到他和埃米莉之间不成功的罗曼史，他就要大发雷霆。
I wanna have a love affair before I die.
我想在死前恋爱一次。
His wife left him when she found out about his love affair.
当他的老婆发现他有外遇时便离开了他。
Thus began my first love affair.
就这样，开始了我的初恋。