横财

例句：

1. 1. He was so excited when he found out he had won the lottery.
   他发现自己中了彩票时非常兴奋。
2. 2. The rich man's wife received a large sum of money as a gift from her husband.
   富人的妻子作为礼物收到了一大笔钱。
3. 3. The sudden influx of cash changed their lives forever.
   突如其来的大量现金改变了他们的生活。