横财的英文：
prize
windfall

参考例句：

The airline has been smacking its lips over the prospect of a $145 million windfall.
这家航空公司一直垂涎得到一笔1.45亿美元的横财。

I had a windfall from the football pools.
我从足球比赛赌博中发了一笔横财。

You'll have no conception of the value of your prize until you draw close to it.
在你走近以前，你绝对估量不出这笔横财的价值的。

Junk dealers and used-car salesmen profiteered on them
经营废旧品和推销旧汽车的商人在他们这些人身上发了横财。

prize是什么意思：
n. 奖赏，奖金；追求的东西
adj. 作为奖品的；了不起的
v. 珍视；捕获；撬起

capture a prize
夺得锦标，获得奖品

They awarded the prize to him=The prize was awarded to him
他们赏给他奖品。

The thought of the prize was the spur for the team.
夺取锦标的思想是该队的动力。

The competition for the first prize was keen.
争夺第一名的竞争很激烈。

One of the recipients of the prizes was dead.
获奖者中有一人已过世。

windfall是什么意思：
n. 意外之财

After the storm she gathered a basketful of windfalls in the apple orchard.

Gap theory: The process by which tropical forest regenerates spaces opened by windfalls.
缺口原理:热带森林在被大风刮倒的地区再生的过程。

The airline has been smacking its lips over the prospect of a $145 million windfall.
这家航空公司一直垂涎得到一笔1.45亿美元的横财。

The result was a quota on U.S. imports but the foreign suppliers pocketed windfalls from the price markup
其结果就是对美国的进口商品实行一种配额，但外国供应商却因提价攫取了暴利。

The fourth edition of the Diagnostic and Statistical Manual of Mental Disorders says“ pathological gambling” involves persistent, recurring and uncontrollable pursuit less of money than of the thrill of taking risks in quest of a windfall.
【译文】《精神错乱诊断与统计手册》第四版写道：“病态赌博”是一种持续反复并难以控制的行为，与其说是追求金钱，倒不如说是为了寻求冒险博取横财的刺激。