完善自身修养to improve self-cultivation
是我国文明进步的表现the sign of our civil progress
剧烈的社会变革acute social change
拼搏strive for
奋斗hard-work(可作动词或名词）
赶不上时代的步伐unable to catch up with social pace
个人觉得最好能有段落,我只能按词面意思给你翻译