1.
It is easy for the frugal to become extravagant,But very difficult to reverse the procedure
从俭人奢易由奢返俭难
2.
It is easy to go from frugality to extravagance, But difficult to go from extravagance to frugality.
由俭入奢易，由奢入俭难。
3.
We must encourage diligence and thrift in running the household, running the co-operative and building the country.
要提倡勤俭持家，勤俭办社，勤俭建国。
4.
"Save while you may, no morning sun lasts a whole day"
能节俭时就节俭,朝阳难照一整天
5.
an economical meal; an economical shopper; a frugal farmer; a frugal lunch; a sparing father and a spending son; sparing in their use of heat and light; stinting in bestowing gifts; thrifty because they remember the great Depression; (`scotch' is used only informally).
节俭的一顿饭；节俭的购物者；节俭的农夫；节俭的午餐；节俭的父亲和浪费的儿子。
6.
From mediocre frugality to enterprising frugality--Also on frugal thought in socialist honor - humiliation outlook;
从中庸之俭到进取之俭——兼析社会主义荣辱观中的节俭思想
7.
We had to scrimp and save to pay the bills.
我们得省吃俭用来付帐.
8.
"He led his life, pinching and scraping."
他省吃俭用地过日子。
9.
We have to scrimp and save to pay the bill
我们得省吃俭用来付帐
10.
tighten one's belt (eat less food,spend less money,etc)
勒紧腰带（省吃俭用）
11.
He lived with frugality.
他过着俭朴的生活。
12.
The French are rather thrifty.
法国人是相当俭省的。
13.
Diligence and thrift made him a possessor of warm fortunes.
勤俭使他成为富翁。
14.
We should run all undertakings industrially and thriftily.
我们要勤俭办一切事业。
15.
Be thrifty and hardworking in whatever undertaking you are to start on.
办任何事情都要勤俭。
16.
She is an economical housewife.
她是个节俭的家庭主妇。
17.
We live very economically.
我们生活得很节俭。
18.
living on a shoe-string
过着极节俭的生活.