That means giving up something important or going without something.

那意味着放弃重要的某事物或没有某事物。

I'm sure you can think of a time when you went without something for a little while.

我敢肯定，你可以想到一段没有某个东西的时间。

Or did you have to go without something important because you couldn't get it at the supermarket or you know there was a period where you you just had to get by.

你是否必须在没有重要的东西的条件下勉强生存，因为你无法在超市买到它，或者就是有一段时间你需要勉强度日。