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.國家博彩
N-SING
聽天由命的事；全憑運氣的事
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...股市買賣全看運氣。Which judges are assigned to a case is always a bit of a lottery.一個案子安排哪些法官來審理，往往有點看運氣。
英漢詞典釋義
n.
抽彩給獎法
He bought lottery tickets from handicapped people.他從殘疾人手中買獎券。She won a fortune in a lottery.她在一次抽獎中贏了一筆大錢。
碰運氣的事, 難于算計的事
They thought themselves lucky in the lottery of life.他們認為自己是變幻莫測的人生中的幸運者。
彩票；彩券
Lottery is also a form of gambling.彩票也是賭博的一種形式。
英英詞典釋義
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