Sentence examples for it is very difficult to verify from inspiring English sources

But without participation from the complainant, "it is very difficult to verify allegations," the school said.

Without access to his tax records, it is very difficult to verify the claims he has made about his finances, and it's impossible to ascertain how much he has paid in taxes.

However, experts have cautioned that it is very difficult to verify or assess such claims.

Aside from statistical approaches, it is very difficult to verify the existence of unpublished studies or the presence of excessive selective reporting; for alternative methodologies including surveys and experimental approaches see refs. [2], [15] [17].

Therefore, it is very difficult to verify the effect of folic acid on the prevention of clefting among these women.

According to Pelizzaro, Litvinenko "was giving Scaramella lots of information about Russian and criminal infiltrations in Italy, but most of it was very difficult to verify and crosscheck.

Note that the equation which one has as a result is very difficult to verify.

And because the area is off-limits to foreign journalists, it has been very difficult to verify the competing claims.

Pike, the lead author on the paper, said: "Although the theory is conceptually simple, it has been very difficult to verify experimentally.

A cease-fire would also be very difficult to verify, he said, and could easily be broken.

The Western group had opposed that demand, in part because of a belief that air activities by themselves are very difficult to verify.