Cách sử dụng
The expression "have one foot in the grave" means that someone is very old, sick, or near to death. It is often used to describe someone who is not in good health and may not live much longer. It is a metaphorical expression that implies someone is already partly or nearly dead. It is not used to describe someone who is just feeling tired or unwell, but rather someone who is seriously ill or whose age is advanced.