Sentence examples for are extremely difficult to from inspiring English sources

Unfortunately, parallaxes are extremely difficult to measure.

"The scenes are extremely difficult to interpret.

Some are extremely difficult to obtain.

However, they are extremely difficult to standardize.

Chemical weapons are extremely difficult to destroy, he says.

Sharpie signatures are extremely difficult to read and often smudge.

Circulating tumor cells are extremely difficult to find.

Four-letter domains are extremely difficult to obtain".

And even wild rumors are extremely difficult to dislodge from the public consciousness.

"The end of poverty goal requires two things [that are] extremely difficult to pull off," he explained.

Yet, many of these credentials are extremely difficult to afford.