突然继承的遗产对他们来说是一笔意外之财。

The unexpected inheritance was a huge ___windfall for them.

暴风雨过后，我们在果园里捡了很多被风吹落的梨子。

After the storm, we collected many ___windfall pears in the orchard.

他在二手市场低价买到一幅名画，真是一笔意外之财。

He bought a famous painting at a low price in the flea market—what a ___windfall!