艰苦朴素: be plain in one's style of living; live in a plain and hardworking way; hardworking and plain-living
平生: all one's life; one's whole life; always; at all times 短语和例子平生艰苦朴素 live simply and work hard all one's life; 平生的志愿 one's lifelong aspiration [wish]
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