来自中古英语 thriven,繁荣，兴旺，词源同 thrive,繁荣，兴旺。-th,名词后缀，后缩写自 t.词 义由繁荣，兴旺引申为节约，节俭。词义演变比较 fruitful,frugal.

1. They were rightly praised for their thrift and enterprise.

他们勤俭节约，积极进取，得到了当之无愧的赞扬。

2. Diligence and thrift made him a possessor of warm fortunes.

勤俭使他成为富翁.

3. He has the virtues of thrift and hard work.

他具备节俭和勤奋的美德.

4. Oppose extravagant eating and drinking and pay attention to thrift and economy.

反对大吃大喝,注意节约.

5. His thrift and industry speak well for his future.

他的节俭和勤勉预示着他美好的未来.