For understandable reasons, the pulmonary circulation remains an enigma to most doctors.
He was no longer the soldier, no longer the enigma , and no longer a mystery.
In the first half of the novel, Kilroy creates the enigma , which she proceeds to unravel in the second half.
The two of them were a mystery, an enigma that Zoë had promised herself she would solve someday.
It is in any case an enigma which neither one can explain properly nor one can understand properly.
What is left is the puzzle and the enigma that we need to figure out.
Madeleine was still an enigma to him
It is often felt that death is an enigma , perhaps the ultimate mystery.
The script is slack and messy, in a way which does not suggest enigma or mystery - just the need for a couple more drafts.
After such a long struggle and the loss of her sons in unequal battles, she understands the enigma of life.