Perhaps the most troubling sign of paramilitary influence is in Congress.

But in recent weeks, there were troubling signs that something was terribly wrong.

But there are also troubling signs that, overall, our students should be doing better in math and science.

But while profit was up, there were troubling signs elsewhere.

The lost weekend was a troubling sign for a team that remains a long shot to win a championship.

He may well turn out to be a democrat, but there are already troubling signs.

"There are a lot of very troubling signs in the economy."

"It's a troubling sign if the president can't get him confirmed."

There are still troubling signs from the test survey of groups being left behind.

Yet the survey revealed many troubling signs for the Mayor.