a good sword remains always sharp [never gets dull].; (you will find my) good sword sharp enough.; old but still vigorous in mind and body; the treasured sword is not yet blunt
Ms zoe tay maintains her splendour even a decade after she became the prima donna of tcs , and senior minister lee is full of vitality to this day , as they never cease to strive for change , innovation , and progress 不是说老的就不好, “阿姐”郑惠玉十年后依然光彩照人,如今的李资政也宝刀不老。但是,他们也在变,也在求新求发展,谁会说他们“不新”呢?