old-age pension养老金;退休金;残疾年金;鳏寡抚恤金
old-age allowance老人津贴
old-age factor年龄老化因素
old-age suffer老年患者
Old-age Industry老年产业
Old-age disabled养老助残
old-age education老年教育
Physiologically old for age按年龄生理性年老
Old -age pension普通社会福利
Plato was a prolific author and the Laws was the final dialogue in his life, which could best embody his ideological characteristics during his old age.
柏拉图一生著述颇丰，《法律篇》是他最后一部对话集，最能体现他晚年思想的特点。
参考来源 - 柏拉图的《法律篇》及其影响It is really difficult to guess Confucius' will at his old age.
孔子晚年的心志如何，的确多费猜疑。
参考来源 - 孔子晚年心志蠡测—《周易研究》—2003年第1期—龙源期刊网N-UNCOUNT（不可数名词） Your old age is the period of years toward the end of your life. 晚年
They worry about how they will support themselves in their old age.
他们担心自己到了晚年该如何来维持生计。