The phrase "a troubled one" is correct and usable in written English.
It can be used to describe a person or situation that is experiencing difficulties or challenges.
Example: "After years of conflict, the region remains a troubled one, struggling to find peace and stability."
Alternatives: "a distressed one" or "a problematic one".
(And a troubled one at that: in 1998, it made $4.8 billion in profit; in the most recent quarter, it lost half a billion).
The Middle East is but one region of the world, and it was a troubled one well before George W. Bush left Texas.
But among the leading actors of his day, he was considered courageous for choosing a number of roles as a bad guy, or at least a troubled one.
A computer system must understand the relationships among these metaphors before it can understand that a marriage "on the rocks" is a troubled one.
The history of tourism development on Magnetic Island (MI) since the 1980s is a troubled one, with extensive community conflict over various proposed developments and ongoing issues with trust and damage to social capital.
But the marriage was a troubled one.
I say that not because it's a deeply troubled restaurant — it's only a modestly, intermittently troubled one — but because a place like Bar Stuzzichini, which opened with little fanfare in early June, must struggle to be noticed, more than it should have to.
That relationship, as depicted in the film, is unquestionably a complex and troubled one.
The main part of it is a profile of a deeply troubled one-time Yankees pitcher, Dan Naulty, whose career was made by steroids and ended by a combination of injuries and indifference.
The lack of mandatory inspections is troubling, one diplomat said.
What has emerged since then is a picture of a troubled leveraged buyout, one that fell victim to the withering of the credit markets.
