tighten belt

基本解释

Recession Diet Just One Way to Tighten Belt.
经济衰退时期饮食的唯一选择“”“”勒紧腰带。
Whether you're trying to tighten your belt or accelerate your retirement savings, you won't find a much better analytical tool on the Web than Mint.com.
不论你是想要系紧皮带还是加快退休金的收入，那你找不到一个比Mint.com更好的分析网站了。
The flow conservation law of belt drive is introduced and the conclusion that the tension difference between the tighten belt and the looser leads to speed difference is proved.
介绍了皮带流量守恒定律，根据此定律论证了皮带松紧边拉力差导致速度差这一结论。

All of that is contributing to the need for people to tighten their belt.
NPR: Financial Expert Examines Possibility of Recession
In December 1997 the IMF asked South Korea to tighten its belt a notch (a fiscal improvement of 0.4% of GDP).
ECONOMIST: Has the IMF changed? Or has the world?
Oil prices moved up after 1986 but plunged again in the late 1990s, forcing the industry to once more radically tighten its belt.
FORBES: Magazine Article