A lottery is a type of gambling game in which people buy numbered tickets. Several numbers are then chosen, and the people who have those numbers on their tickets win a prize.
例句
...the national lottery.国家博彩
N-SING
听天由命的事；全凭运气的事
If you describe something as a lottery, you mean that what happens depends entirely on luck or chance.
例句
The stockmarket is a lottery...股市买卖全看运气。Which judges are assigned to a case is always a bit of a lottery.一个案子安排哪些法官来审理，往往有点看运气。
英汉词典释义
n.
抽彩给奖法
He bought lottery tickets from handicapped people.他从残疾人手中买奖券。She won a fortune in a lottery.她在一次抽奖中赢了一笔大钱。
碰运气的事, 难于算计的事
They thought themselves lucky in the lottery of life.他们认为自己是变幻莫测的人生中的幸运者。
彩票；彩券
Lottery is also a form of gambling.彩票也是赌博的一种形式。
英英词典释义
Noun
1. something that is regarded as a chance event;
"the election was just a lottery to them"
2. players buy (or are given) chances and prizes are distributed according to the drawing of lots