So what happened was, we found two different sources of trouble.

Another possible source of trouble has to do with women.

The name has long been a source of trouble for the band.

Now I see the airport as a source of trouble.

For example, the liquid inside has always been a source of trouble.

It was certainly true that guns could be the source of much trouble.

He forced his thoughts away from her to the next potential source of trouble.

Otherwise he'd be a source of trouble and danger throughout the campaign.

That bridge has been a source of trouble to me ever since I decided to send you men out to get it.

But guns have been the source of trouble for the corporation before.