Sentence examples for difficult to establish with from inspiring English sources

In all retail, the secret of success is repeat business, which is very difficult to establish with trend-conscious buyers.

An authoritative death toll was also difficult to establish, with officials at the Najaf Hospital refusing any comment to the media.

The interrelationship of LH and FSH has made it difficult to establish with certainty that two separate hormones exist, particularly since both are glycoproteins.

"With the situation in the Jenin refugee camp changing by the day, it will become more and more difficult to establish with any confidence or accuracy the 'recent events' that took place there".

Records of average world temperature over the past several decades often show changes of 0.1 to 0.3 °C (0.2 to 0.5 °F) from year to year unrelated to any known volcanic eruptions, so it is difficult to establish with certainty whether volcanoes have a major impact on climate.

Although its ancestry has been difficult to establish with certainty, it is thought to have descended from Spanish Barb horses taken to the New World by the Spanish in the 16th century and to have been crossbred with Percherons, draft horses from France that had been imported by French Canadians.

It will make it more difficult to establish relations with them".

Being a public figure, it was difficult to establish relationships with that in the background.

For small wireless gaming companies, it is very difficult to establish relationships with the carriers.

Being separated from the baby was stressful and also made it difficult to establish contact with the staff at the postpartum ward.

Again, it would seem that GH has the potential for positive impact on body composition and lipid metabolism, but it is difficult to establish this with certainty in the absence of large longitudinal studies.