Sentence examples for are extremely difficult from inspiring English sources

"Logistics are extremely difficult.

"The conditions are extremely difficult.

"The issues are extremely difficult.

Determining their origins are extremely difficult.

Some of his chords are extremely difficult".

"The scenes are extremely difficult to interpret.

Some are extremely difficult to obtain.

"All of these options are extremely difficult," Mr. Alpher said.

Chemical weapons are extremely difficult to destroy, he says.

Sharpie signatures are extremely difficult to read and often smudge.

"These complex financial cases are extremely difficult," Mr. Mintz said.