Sentence examples for are difficult to control from inspiring English sources

Because their colonies are within the structure, they are difficult to control.

Zoonotic diseases are difficult to control, particularly because of their animal reservoirs.

"You're dealing with tremendous heat, a lot of chaos and noise, and things that are difficult to control.

Today, of course, milk is no longer left to ripen; the results are difficult to control and not always desirable.

"We also know there are other agents involved, too, which are difficult to control," Dr. Holt said.

Psychiatrists with expertise in suicide say any institution that accepts troubled, high-risk patients will encounter situations that are difficult to control.

They wanted an implant that wouldn't degrade over time, but permanent substances are difficult to control once they're in the body.

Athletes are very emotional, and just like everyone else, sometimes our emotions get the best of us, and they are difficult to control.

Migraines afflict about ten per cent of people with headaches, but a much larger percentage of those who see doctors, because migraines are difficult to control.

Fires on ships spread rapidly and are difficult to control.

Cell growth processes are inherently nonlinear and as such are difficult to control.