pinch pennies
To spend as little money as possible; to be especially frugal, especially with the aim of saving up for something bigger.
花尽可能少的钱：特别节俭，特别是为了攒钱做更大的事而精打细算、省吃俭用。
When we were first married we had to pinch pennies just to get by.
我们刚结婚时不得不精打细算才得以勉强维持生计。
Now is not the time to pinch pennies.
现在不是斤斤计较的时候。
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