在农民家吃英文可以说为"eating at a farmer's house"。这个短语来源于人们对农民家的典型印象，即农民家是一个家庭住宅，而农民家通常都有家庭式的餐桌，人们可以在那里吃饭。
下面是一些例句：
I had a great time eating at a farmer's house last weekend. 我上周末在农民家吃饭玩得很开心。
We always enjoy eating at a farmer's house when we visit the countryside. 我们去乡下旅游时总喜欢在农民家吃饭。
Eating at a farmer's house is a unique experience that you should try at least once. 在农民家吃饭是一种独特的体验，你应该至少试试看。