to tighten one's belt
01
節約する, 出費を抑える
to lessen the amount of money or resources one uses compared to before, particularly due to having less available
![to [tighten] {one's} belt definition and meaning](https://cdn.langeek.co/photo/41974/original/?type=jpeg "to [tighten] {one's} belt definition and meaning")
idiom
例
During the recession, many families had to tighten their belts and cut back on unnecessary expenses.
仕事を失ってから、彼は節約しなければならなかった。
