垂暮之年的英文：
in old age

参考例句：

They have been able to keep on cheerfully plotting their holocausts right into their senescence.
他们都还能津津有味地继续策划他们的大暴动，直至他们的垂暮之年。

Six months ago, in the twilight of her life, the old woman lost her sight and is no longer able to move without help
6个月前，垂暮之年的哈瓦失明了，必须靠别人的帮助才能行走。

old是什么意思：
adj. 年老的；陈旧的；古老的；以前的；原来的
n. 古时

The Old Mandarin
老官吏

You old misery!
你这个爱抱怨的老家伙！

It is an old aphorism.
这是一句老格言。

Old friends and old wine are best
朋友是旧的好;古交友情深,陈酒香味醇

Old friends and old wines are best
陈酒味醇,老友情深

age是什么意思：
n. 年龄；时代，时期；年龄段
v. 长大，变老

This is a bulletin on aging.
这是关于老龄问题的期刊。

They are close in age.
他们年龄相仿。

It will be a production that will be handed on from age to age.
这将是传世之作。

Attach importance to the problem of population aging (an aging population )
重视老龄化问题

One has reached the age of no doubting—forty years of age
年登不惑