The phrase "about this troubling" is not correct as it stands and lacks clarity in written English.
It could be used in a context where you are discussing a troubling issue or situation, but it needs to be part of a more complete sentence for clarity.
Example: "I have some concerns about this troubling situation that we need to address."
Alternatives: "regarding this concerning" or "concerning this troubling".
Here's household debt as a percentage of GDP: You might ask, what should be done about this troubling performance?
How I feel about this troubling deja vu, this recurring feast of arrogance, this foreplay to violence.
In the middle of the presidential campaign, we urge the FBI to finish its own investigation soon, so all information about this troubling episode will be before the voters".
"The fastest way for the American people to get the answers they deserve about this troubling pattern of conduct is for the White House to come clean and disclose its use of federal appointments to manipulate elections," said Representative John A. Boehner of Ohio, the House Republican leader.
Last week, I traveled to Washington, DC with my colleagues from the Pipeline Safety Trust to talk with regulators and legislators about this troubling state of affairs.
But then my publisher hears about this trouble and hired someone to do a risk assessment which found that if you publish this book your office will be firebombed, you will be kidnapped, and you will have to hire security guards 24/7.
Something about this ad troubled me.
But really, there is nothing feminist about borrowing all this trouble.
He considers — and largely if not entirely dismisses — concerns about troubling issues like sex slavery, thieving pimps and abuse.
If they express concerns about troubling you, reassure them that it is no trouble at all, even if it is.
Peter Moller, a professor in the psychology department at Hunter College, finds several things troubling about this situation, including the failure to inform the wedding-store owner about the little experiment or debrief him afterward, and the failure to provide an alternative assignment for students reluctant to be deceptive.
