“老年的”的英语？

当他走近些时, 我看出他是个已逾中年[渐近老年]的人.When he came nearer, I perceived him ( to be ) an elderly man.老年的秃头,可能是由多方面因素决定的.Hair loss in older age presumably is determined multifactorially.他为老年的生活而存钱.He saved money for his old age....