Sentence examples for been difficult to control from inspiring English sources

However, it has been difficult to control the diameters of such tubes.

The defense has hinted that Mr. Kaczynski has been difficult to control.

"For instance, the fuel cell [used to create electricity with hydrogen] is a brand new technology". It has also been difficult to control the intensity of the light.

But the thirst for vengeance has been difficult to control, to which the morgues, hospitals and the urban killings fields of the Libyan capital bore testimony.

It has been difficult to control the mosquitoes that carry Zika with insecticides, but scientists may be able to use CRISPR, a gene-editing tool, to breed sterile males.

She made a similar suggestion to the military elite with regard to practising the battlefield use of chemical gas which had been difficult to control on the western front.

"It's difficult to control.

The mosquito is difficult to control.

The process can be difficult to control.

6) Sound and light are difficult to control.

Bacterial biofilms cause chronic diseases that are difficult to control.