Sentence examples for are difficult to do from inspiring English sources

Probably because these are difficult to do for a generic person as you say.

"Glossy black surfaces are difficult to do in mass production," he said.

"A lot of things are difficult to do on the Web," he said.

Repeating as champions and following a legend are difficult to do in any sport.

"Everyone is looking for easy ways to do it, but these diets are difficult to do.

That's partly because experiments to study this phenomenon are difficult to do on Earth.

That's difficult to do.

"But it's difficult to do perfectly".

Nonetheless, it's difficult to do nothing.

However, it is difficult to do this.

Speaking further is difficult to do.