Sentence examples for is difficult to define from inspiring English sources

Premature ejaculation is difficult to define.

Interesting prose is difficult to define.

American Folk art is difficult to define.

It is difficult to define and perhaps I shouldn't try.

Even seven years in, Pinterest is difficult to define.

The spun sugar of Valentino's luxury is difficult to define.

The concept of ecocide is difficult to define.

The precise nature of these relationships is difficult to define.

Aspergillosis is a very unusual, mysterious disease, which is difficult to define.

Because it draws from many disciplines, Sehgal's work is difficult to define.

"A subspecies is difficult to define because it is subjective," Dr. Fernando said.