n. fruit that has fallen from the tree
n. 被风吹落的果子, 横财
[经] 意外损失
1. She received a windfall when she won the lottery.
她中了大奖，获得了一笔意外之财。
2. The unexpected inheritance was a huge windfall for his family.
意外继承的财产对他的家庭来说是一笔巨大的意外之财。
3. They decided to invest their windfall in a new business.
他们决定把这笔意外之财投资到新业务中。