The phrase "a frail one" is correct and usable in written English.
It can be used to describe someone or something that is weak, delicate, or fragile, often in a physical or metaphorical sense.
Example: "In the harsh winter, the frail one struggled to keep up with the rest of the group."
Alternatives: "a delicate one" or "a weak one."
She is both an imperial figure and a frail one.
That Beerbohm's talent was a frail one is readily acknowledged in Mr. Hall's ebullient but oddly itchy book.
Only they offered a genderless vision of virtue and worth to someone trapped in a female body, and a frail one at that, for Fuller suffered from severe headaches — surely migraines — for most of her life.
"Given the prolonged history of failure and the fact there are green shoots of a recovery, albeit a frail one, now is not the time for high-risk options," he said.
"One immediate thing it made clear is that an approach that's driven by our responding to threats based on the intelligence we receive is a very frail one indeed, because we just simply don't have access to the kind of intelligence we need and want, and we probably won't for 10 to 15 years".
Indeed, randomized trials generally have excluded older diabetic patients, in particular the frail ones, and clinical guidance has been largely based on data obtained in younger (adult) opulations, thus making the optimal therapy of T2DM in geriatric patients controversial.
Although all women face a trade-off between the resources their bodies allocate to reproduction and those reserved for the maintenance of health, robust women can afford more of both than frail ones.
In particular, they believe we need to be cautious about "good" economic policies that have the side effect of either reinforcing already dominant groups or weakening already frail ones.
These clinical conditions are very frequent in older diabetic people, especially in the frail ones.
The nonfrail elderly showed greater muscle mass and greater bone mass compared with the prefrail and frail ones.
For the social isolation, post hoc tests showed that robust individuals had higher social connectedness compared to the frail ones (P=0.011).
