The phrase "weak physical condition" is correct and usable in written English.
You can use this phrase when talking about someone's health or overall physical state. For example, "My mother has been dealing with a weak physical condition for the past few weeks due to her illness."
Asked whether she was aware of the sound, she said she was taught to grunt as a 10-year-old beginner to compensate for her weak physical condition.
Did the 83-year-old pope's weak physical condition, which has forced him to disengage from some details, have anything to do with that lag, along with the confusion that filled it?
She was in poor health for much of her life, and the extensive charitable work, the rigorous penances she performed, and her extreme dedication to her studies took their toll on her weak physical condition.
Nevertheless, in the last few weeks, more and more images of Iran's Supreme Leader are emerging, reflecting his fragile and weak physical condition.
Moreover, a quantitative correlation analysis revealed a close association (r=0.8) between large improvement of endurance capacity and weak physical condition (HA).
These results from adult studies suggest a possible, although not probable, weak correlation between good physical condition and decreased likelihood of AMS.
Justin's physical condition was weak, and with the approval of my editors I introduced him to a doctor.
It's not, as once widely believed, a matter of weak character, but a mental and physical condition that can be all-consuming and, all too often, fatal.
The animals were mostly in good physical condition, which is not surprising, since the weak quickly go to the wall in the wild.
The general physical condition of mice with 231-Luc-shFOXF2 231-Luc-shFOXF2 231-Luc-shFOXF2s weaker cellsred 231-Luc-shFOXF2 231-Luc-shFOXF2 231-Luc-shFOXF231-Luc-shControl mice) by day 22 after injection.
His physical condition was incredible.
