一、详细释义：
n.
事务
例句：
Foreign affairs need to be carefully handled during our reform and opening to the outside world process.
在我们改革开放过程中，对外事务应当谨慎处理。
例句：
The premier deals with important affairs of state.
总理处理国家重要事务。
例句：
The affair had a strange sequel.
这一事件的结局很奇怪。
例句：
A country's internal [affairs] should not be interfered by others.
一个国家的内部事务不应受到他国的干涉。
事件，事情
例句：
I have not the faintest suspicion of his being the chief plotter of the affair.
我一点儿也没有怀疑他是这个事件的主谋。
例句：
He was in detention in connection with the bribery affair.
他因与贿赂事件有牵连而被拘留了。
风流韵事，私通
例句：
The judge is said to have an illicit love affair with a film star.
据说那个法官与一个电影明星有段风流韵事。
例句：
Meanwhile Bernard's affair with Sarah had attacted Rachel's attention.
这一期间，伯纳德与莎拉之间的风流韵事引起了雷切尔的注意。
私事
例句：
He was rational and consistent in the conduct of his affairs.
他处理私事时头脑清楚，始终如一。
例句：
The unexpectedness of my father's death meant that his affairs were not entirely in order.
家父的猝然离世留下了尚未完全安排妥当的身后事。
东西
例句：
All their beds were distinctive; Mac's was an iron affair with brass knobs.
他们的床都各具特色；马克的床是张带球形黄铜柱头的铁家伙。
例句：
He tried dividing it into two bundles, tying them to his walking stick, and slinging the whole affair across his back.
他试着将它分成两包绑在他的拐棍上，然后把所有东西都挂在后背上。
二、词义辨析：
affair,business,matter,concern,thing
这些名词均含“事情”之意。 affair含义较广，侧重指已发生或必须去做的任何事情或事务。复数形式多指重大或较复杂的事务。 business通常指较重要或较难而又必须承担的事情，也可指商事。 matter普通用词，着重指一件考虑中的或需要处理的事。 concern往往强调与个人或团体利害有直接或重大关系的事。 thing用作“事情”解时，词义较笼统、含糊，多用于指不很具体的事。
三、相关短语：
love affair
n.风流韵事,强烈爱好
四、参考例句：
The affair had a strange sequel.
这一事件的结局很奇怪。
Their love affair is an open secret.
他们的风流韵事是公开的秘密。
His role in the affair is ambiguous.
He directs the affair of the company.
他主持这家公司的事务。
This affair is within his jurisdiction.
这件事情在他的管辖权限之内。
The government has mishandled the whole affair.
政府对整个事件处理不当。
Wine, cheese and an affair, says science.
科学告诉你，是喝红酒、吃奶酪、说情话。
Their versions of the affair agree.
他们对于这件事的说法相同。
What is your attitude towards the affair?
你对这件事持什么态度？
The affair was growing mysterious. It seemed like a conjuration.
事情变得神秘起来，似乎像魔术一样。