very weak 英語で:

Johnny has always been frail.

My grandmother was gradually becoming forgetful and frail.

He was too frail to play games outdoors.

Child was very frail and weak.

He is frail, but still manages to walk with a stick.

The elderly patient was considered too frail to survive an operation

His leathered skin and bald scalp made him look more frail than they did wise.

the country's frail economy

her health is quite frail

My grandmother is too frail now to get in and out of bed by herself.