Example sentences of "it is difficult [verb] " in BNC.

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1 Although it is difficult to reach firm conclusions from the small number of patients who underwent balloon counterpulsation , those few who have survived in the long term underwent such a procedure while their renal function was still normal or nearly normal and their renal state remained stable until transplantation .
2 Of all the Birds of Paradise , the Greater is as rare and remarkable as it is difficult to reach .
3 Although it is difficult to reach a clear judgement about whether there is enough pollution control , we can discuss whether the current mechanism of pollution control is sensible .
4 IL is a judgement with which it is difficult to quibble .
5 Whether this was a continuation of the regression story or in Part the creation of a rain-shadow area behind the new mountains , it is difficult to deduce .
6 It is difficult to deduce the physiological effect of H pylori on basal secretion from this and other studies in which patients do not act as their own controls , because other differences between the groups might affect acid secretion .
7 It is difficult to persuade those who exercise authority in conventional terms that there are other forms of power than theirs : more diffuse but more pervasive ; less aggressive but more enduring , to be round in small towns and rural villages .
8 It is difficult to persuade overworkers of the importance of rest and recreation .
9 It is difficult to persuade people who are eagerly straining to learn to speechread that it is also important to learn how to stop .
10 It is difficult to persuade consumers to try a new product , but when it is more expensive than rump steak the problem is exacerbated , particularly when one of the attractions of vegetarianism is that it is such a cheap alternative to meat
11 It is difficult to persuade the Court of Appeal to alter a finding of direct fact by the trial judge .
12 It is difficult to persuade teachers that the denial of valid arts experiences to themselves during their own school days has denied them an enriching experience and offered them instead an impoverished education .
13 But while one can sympathise with Ackerley in his various predicaments , it is difficult to like him .
14 As you might expect , though , it is difficult to stop the loss of energy and plasma along the magnetic lines of force and out of the ends of these machines .
15 The average glass of wine contains between 90–100 calories , and it is difficult to stop at one when you are having a good meal .
16 Already there may be an awareness that , once started , it is difficult to stop drinking .
17 It is difficult to stop the film , and the language used may not be simple enough .
18 ( b ) It is difficult to stop the record or start it at exactly the point that the teacher wishes .
19 Well it is difficult to stop .
20 Thirdly , as mentioned above , because we know little about historical relationships between sign languages it is difficult to disentangle historical influences and similarities between signs arising from other causes .
21 Where research studies have been carried out in different parts of the country it is difficult to disentangle anything which might be attributed to regional variations specifically , from other systematic variations by gender , class , ethnicity or variations over time ( that is where changes in patterns of family relationships have occurred between the 1960s and the 1980s ) .
22 In the Soviet Union it is difficult to disentangle political from administrative controls .
23 But the relationship between the ‘ army of administrators at their desks ’ and the eventual supply of a public service to beneficiaries in society , is so complex that it is difficult to disentangle the contributions which different strands make to an individual 's utility function .
24 Although the method has drawbacks , particularly that it is difficult to eliminate duplications from the results , it has the merits of being simple , and giving reasonably consistent results with a number of observers and being readily repeated .
25 It is difficult to sort out blatant public relations exercises from virulent anti-Soviet propaganda .
26 It is difficult to appreciate the logic of these reproductions .
27 It is difficult to appreciate it now in the liberated 80's , but at the time the worst thing an unmarried girl could do was get pregnant , and the worst news a mother could hear from her daughter was , ‘ I 'm going to have a baby ! ’
28 In these days of piped water supply , it is difficult to appreciate the significance and importance of sources of pure water .
29 This is even more important in the case of homoeopathy than in the case of conventional medicine , because without an understanding of the different levels and aspects of the living being it is difficult to appreciate the differences in attitude between homoeopathy and the conventional approach .
30 However much you may have heard , without actually going there , it is difficult to appreciate just how far rugby is woven into the warp and woof of South African society .
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