Not everything gets wrapped up with a pretty bow; some mysteries are unsolvable, some victims inconsolable.
There is no problem as unsolvable as Pakistan in the Iraq war.
Koskinen is just the latest target for GOP venting over the emails and what the agency insists was an unsolvable IT problem.
Children today seem like an unsolvable problem—an evil trick played on adults by nature itself.
Neither is unsolvable, but neither has yet endured the full public discussion that it might in a more noticeable war.
She remained upheld in spirit, while yet she seemed to brood over an unsolvable problem.
"So that a man's life is an unsolvable riddle to all but himself," concurred the hakeem.
The Ahaggar Tuareg were reaching for straws, unconsciously seeking shoulders upon which to lay their unsolvable problems.
There still remained the unsolvable problem of what she was to do.
The great extremes of poverty and riches, dwelling in close proximity to each other, were a sad, unsolvable enigma.