Fred was very troubled by his wife's nagging.

He is worn with age.

A good-looking horse may sometimes break down.

He was weak as a rat, and had no appetite.

He sank under the weight of age.

It doesn't work so well because the batteries are running down.

Now she was so weak, but the crane made Sadako feel stronger inside.

My grandmother was gradually becoming forgetful and frail.

My mother was very weak from a long illness.

Are you creating for us a future world where there is a greater danger of skin cancer, weakened bodies, less food and fewer plants and animals?

Now she lay weak in bed.

The old lady has been rather feeble since her illness.

Fever and constant coughing weakened the old lady.

When I was very young, my father died. His younger brother, due to the vicissitudes of the times and to his own laziness, dissipated his own fortune and afterwards became a peddler of writing materials. He often came to our house, but when he came, my mother would scold him and he would be troubled.

They said he was still weak from a recent sickness.

If we push together, I'm sure that old rickety door will break.