"To get something out of nothing".

不去付出就得成果。

Isabel: Sounds like you want to get something out of me.

伊莎贝尔：听你口气，似乎是有求于我呢。

Then hopefully we will be able to get something out of him.

到那时如果顺利的话我们将能够在他身上受益颇多。

I want to get something out of my head but the computer freezes.

我想倒出我脑子里的想法但是电脑却死机。

Someone with pure motives; they’re not trying to get something out of the deal.

一个动机单纯的人，他并不是想从结婚这件事中得到什么。