肉体の衰えを感じるの英語

to weaken and die

to be enfeebled―be weakened―waste away―run down

to suffer from physical pain

to decline in health―break in health

These days I feel my strength declining.

to decline

for something to be so uncommon as to become out of use

He is infirm with age―decrepit.

a weakened structure

I feel my strength dwindling as I get older.

for a person to be discouraged and gloomy

to lose one's energy

His energy fails him.

a corporal defect

bodily pain

to torture one's body―rack one's frame

to fall to a lower or worse state

of the power of a thing, to decline

He has a weak constitution―a frail constitution―（女なら）―She has a delicate frame―She is delicate in health.

the state of feeling a twinge from a wound

a matter that will decay

the condition of being helpless because one has lost power

the condition of being in decline

to ruin one's constitution―undermine one's constitution

to decline in energy

the quality of being wispy

The tissues of the body are subject to wear and tear.

It is on the declining hand―on the decline.

unbearable physical pain

to lose vigour completely