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to shorten; to cut short; to trim
to cut down on; to reduce; to scrimp on; to economize; to economise
父親が失業し、家族は生活費を切り詰めた。
After her father lost his job, the family cut down on living expenses.
予算を切り詰めて進めた。
They proceeded by cutting the budget.
彼女は留学のため、出費を切り詰める。
To save for her studies abroad, she cuts down on expenses.