Definition
To use something sparingly or with restraint.
节省使用
Go steady on the jam, we're almost out of it.
省着点用果酱，我们快用完了。
You need to go steady on the petrol until we find a gas station.
在找到加油站之前，你需要节省使用汽油。
Go steady on the bread; we need some for breakfast tomorrow.
省着点用面包；我们明天早餐还需要一些。