have one foot in the grave
US /hæv wʌn fʊt ɪn ðə ɡreɪv/
UK /hæv wʌn fʊt ɪn ðə ɡreɪv/

1.
一只脚踏进坟墓, 行将就木
to be very old or ill and likely to die soon
:
•
My grandfather is 95 and seems to have one foot in the grave, but he's still sharp as a tack.
我爷爷95岁了,看起来一只脚已经踏进坟墓了,但他头脑依然很清醒。
•
After that terrible accident, he truly had one foot in the grave, but he made a miraculous recovery.
那场可怕的事故后,他真的一只脚已经踏进坟墓了,但他奇迹般地康复了。