风烛残年的英文：
[Literal Meaning]
wind/candle/left/year
declining years like candles wavering in the wind

[解释]
风烛：风中的烛火，随时可能熄灭。比喻临近死亡的晚年。

[Explanation]
in one’s declining years

[例子]
虽然已经到了风烛残年，这位老人仍然想把他的自传完成。

[Example]
In spite of reaching his declining years, the old man still wanted to finish his autobiography.

[英语等价词]
to have one foot in the grave

To have one foot in the grave
风烛残年

The old man is old and ailing like a candle guttering in the wind.
老人已是风烛残年。

He was dragging out his remaining years in decrepit health.
他正度着风烛残年。

It was a decaying building in a dying neighborhood, inhabited, you felt, only by doomed old men and derelict young men
那是一幢破旧的楼房，四邻一片死气沉沉，使你感到只有风烛残年的老人和走投无路的年轻人才住在那里。