That in itself would be difficult to control.
It may be difficult to control the urge to try them on.
He said it would be difficult to control Al Aksa as long as the Israelis pursued and killed its members.
Part of what makes white phosphorus controversial is that it can be difficult to control how wide the effects are.
Even in the event of a vote to Remain, it will be difficult to control the forces that have been unleashed in this campaign.
Under such circumstances, the viruses could swap genes to create a new virus to cause a global epidemic that would be difficult to control.
A clash between rival demonstrations could lead to the kind of widespread violence that analysts say would be difficult to control.
However, some have defended the local authorities, pointing out the sheer number of people can be difficult to control and predict.
Because kettlebells can be difficult to control, it's important to learn proper form from a certified instructor or a kettlebell class at a gym.
However, it can be difficult to control the excess production of adrenal androgens without causing symptoms and signs of cortisol excess (iatrogenic or physician-induced Cushing syndrome).
As Mr. Boehner has witnessed throughout the debate, the newly empowered voices in the Republican Party can be difficult to control.
