已是风烛残年 meaning in Chinese

have one foot in the grave

My 90 - year old uncle has one foot in the grave
我90岁的叔父已是风烛残年。
Try to understand that my age is not lived but survived
试著了解我已是风烛残年，来日可数。
He ' s much too old to go skiing ; he ' s got one foot in the grave
他年纪太大了，不能去滑雪，他已是风烛残年了。
And when someday i say to you that i do not want to live any more … that i want to die … do not get angry … some day you will understand … try to understand that my age is not lived but survived
当哪天我告诉你不想再活下去了… .请不要生气… .总有一天你会了解… .试著了解我已是风烛残年,来日可数