cut back
cut back {v.}
1. To change direction suddenly while going at full speed.
The halfback started to his left, cut back to his right, and ran for a touchdown.
2. To use fewer or use less.
After the big job was finished, the builder cut back the number of men working for him.
The school employed forty teachers until a lower budget forced it to cut back.
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Source: A Dictionary of American Idioms