en_tn_condensed/psa/109/024.md

My knees are weak

This means that he is weak and it is difficult for him to stand. Alternate translation: "I have difficulty standing" or "My body is weak" (See: rc://en/ta/man/translate/figs-explicit)

from fasting

"because I am not eating any food"

I am turning to skin and bones

This means that he has lost a lot of weight. Alternate translation: "my body has become very thin" (See: rc://en/ta/man/translate/figs-idiom)