1·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。
2·Clearly, if you are spending more than your income, you'll need to tighten your belt.
很显然，如果你现在花钱就入不敷出，以后就不得不勒紧腰带了。
—— 《柯林斯英汉双解大词典》
3·While the rest of Europe is forced to tighten its belt, Germany appears to be coasting through the crisis.
在欧洲其他国家被迫勒紧腰带的时候，德国在危机中似乎是毫发无损。
4·With this situation the best way to stay out of the crosshairs of the problem is to tighten your financial belt and watch expenses.
在这种情况下，避开麻烦的最好办法是捂紧腰包，谨慎消费。
5·When junk food beckons, tighten your belt a notch.
当垃圾食品向你招手，收紧腰带。
6·The sites can even create a sample budget for you, but remember: The goal is to tighten your belt, not maintain the status quo.
这些网站甚至可以为你提供一个标准的预算。 但记住：记录花费的目的是为了减少开支，不是维持现状。
7·Interest rates on sovereign debt soar (see chart below) when the trust in the sanctity of that debt, and the country's ability to tighten their belt while growing out of it, plummet.
人们对于此类债券以及国家缩减开支并取得经济增长的信心跌至谷底，主权债券利率飙升(见下图)。
8·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。
9·You can only tighten your belt so much. Physicist Daniel Kammen at the University of California, Berkeley, says there just isn't much incentive for rich countries to do that anyway.
丹尼尔·卡门，加利福尼亚大学伯克利分校的一位物理学家，认为对于发达国家没有太多的刺激使得他们要想尽办法来这样做。
10·Work hard, hunker down, tighten your belt, and a better life.
努力工作、盘腿坐下、勒紧腰带、和改善生活。