You must live up to hard work and plain living.

你必须按艰苦朴素的标准去生活。

We must keep to the style of hard work and plain living.

我们必须保持艰苦朴素的作风。

Advocate the spirit of hard work and plain living, and taking diligence and thriftiness as honor; overcome all kinds of extravagance and waste phenomena.

提倡艰苦奋斗、勤俭为荣的精神，克服各种铺张浪费的现象。

This veteran cadre still remains his philosophy of hard work and plain-living.

这位老干部仍然保持着艰苦朴素的作风。

This veteran cadre still remains his philosophy of hard work and plain - living.

这位老干部仍然保持着艰苦朴素的作风。