我动身去买吃的。

I set out to buy food.

《牛津词典》

那天我给你买吃的，一个面试官拿着一些文件去了厕所。

That day when I bought you the food, an interviewer went to the toilet with papers in hands.

youdao

他们请求她，让他们拿出一些钱来买吃的。

They asked her to let them send some of their shillings to buy things.

youdao

So I just buy what I'm going to eat for like one or two days.

我买点儿够我吃一两天的东西。

在绿色市场 - SpeakingMax英语口语达人

We just go to different places and buy something small.

我们只是去不同的地方，买些小东西来吃。

喜欢中国菜吗？ - SpeakingMax英语口语达人