The older people I know don't consider themselves to have one foot in the grave. They are full of optimism and live life to the full.我认识的老年人并不觉得自己行将就木。他们非常乐观，充分享受生活。While we might have one foot in the grave, we're not quite dead and buried yet.尽管我们可能已经到了风烛残年，可我们还没有死，也没有入土。