Sentence examples for been difficult to know from inspiring English sources

But it has been difficult to know whether finding prostate cancer early saves lives.

It has been difficult to know what to expect from Venus this year.

But when the Big 4 square off against one another, it has been difficult to know who will prevail.

Gentiloni said it had been difficult to know who was holding the two women following their kidnapping on the night of 31 July- 1 August, 2014.

Through many, many administrations, it has been difficult to know who is advising — and in some cases actually running — our chief executive.

It would have been difficult to know in 1986 what effect publicity would have on academic debates about the "homo-hetero binary" or the gay subcultures of early-20th-century New York.

It's difficult to know".

It's difficult to know any more.

It is difficult to know now.

"It's difficult to know what's going on".

It's difficult to know who would be less flattered.