“延年益寿”的英语怎么说

延年益寿 一般译为 prolong life 或 promote longevity
还可以根据实际情况译为

extend one's years 或 lengthen one's life

举例:
1.The Best way of promoting health and prolonging life is to do physical exercise for half an hour every morning.
增进健康、延年益寿的最好方法是每天晨起锻炼半小时。
2. If you want to maintain the vigour of youth and prolong life, take this kind of health-keeping and youth-returning tonic.
若要青春常驻，延年益寿，请服保健回春口服液。

想起一个经典的对联

天增岁月人增寿，春满乾坤福满门

Heaven adds another year of time, and people add another year of life;
Spring comes to the world, bringing best wishes to the doors!

大家可以思考研究一下 天增岁月人增寿，春满乾坤福满门 的翻译 多思出智慧!!!

The average age of