【上位】 anything that happens suddenly or by chance without an apparent cause; "winning the lottery was a happy accident"; "the pregnancy was a stroke of bad luck"; "it was due to an accident or fortuity" はっきりした原因もなく突然または偶然起こること。
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【下位】 a game in which prizes (e.g., candies or coins) are concealed in a container and for a small sum a player can draw one out at random 賞品（例えば、キャンディまたはコイン）が容器の中に隠され、数人のプレーヤーがランダムにその中から一つを引くゲーム。
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【下位】 a lottery in which the prizes are goods rather than money 景品が金より品物の富くじ。
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【下位】 a lottery in which the prize consists of the money paid by the participants 関与者の払った金を景品に当てる富くじ。
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【下位】 a lottery in which tickets are drawn from a revolving drum 券を太鼓の形をした回転箱から引き出す富くじ。
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