These phrases convey the meaning.
E. "the hurt was past the power of medicine
F. "its flowers to the earth"
Step-by-step explanation:
The two passages conveys the meaning of the phrase that is 'flitting life' which in these terms would mean a life that is going away from the hand swiftly and cannot be stopped from moving away thus swiftly.
The life that is being described here moves such as the person being described is dying a painful death that the god cannot do much about.
That Apollo must only see from the sidelines as the hero dies is one of the harsher truths of the life of person and how it can go.