祖父は生涯節倹を心がけ、贅沢を一切しなかった。
My grandfather practiced thrift all his life and never indulged in any luxury.
藩の財政を立て直すため、藩主は家臣に節倹を命じた。
To restore the domain's finances, the lord ordered his retainers to practice frugality.
日々節倹して蓄えた金で、彼女は小さな店を開いた。
With the money she had saved by economizing day after day, she opened a small shop.