Sentence examples for difficult to do usually from inspiring English sources

"People who lose after one term in the U.S. Senate, which is fairly difficult to do, usually don't turn around and run for president".

Not only is it difficult to do, but mathematicians usually find it near impossible to explain to non-specialists.

However, it is usually difficult to do so because of the uncertainty of input power of fan on the air side of the heat-exchanger and that of pump in the system.

It's not especially difficult to do yourself, but it's usually advisable to establish contact with a group of lawyers experienced in financial law who'll be able to help you down the road.

That is usually not difficult to do because most areas of Iraq's borders remain unguarded.

It's usually rather difficult to do homework when the bus is bouncing up and down and there are people being annoying.

"I can usually bond with people, especially the police, just about anywhere, but it's more difficult to do in Fallujah than anyplace I've been in Iraq".

That's difficult to do.

"The mushrooms are very difficult to do".

"That's pretty difficult to do".

It's very difficult to do".