Example sentences of "it is difficult [verb] [adj] [noun] " 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 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 .
3 If it is difficult to define inner cities in terms of some geometric configuration of urban morphology , it is even less easy to identify the inner city within any national political economy .
4 Since the only link between religion and material objects is through ritual , it is difficult to use archaeological evidence to find out about ancient religions .
5 It is difficult to evaluate different systems because they are traditionally idiosyncratic depending on their particular area of specialisation .
6 While it is difficult to give definitive answers to questions about control , the prevailing pattern does seem to be loose and informal : there seem to be few cases of actual censorship .
7 It is difficult to give precise guidelines for contingency fee structures as these will vary significantly between assignments but in addition to the points raised in 0502.53 above the following points should be considered :
8 It is difficult to give precise guidelines but it is now our practice to recommend that oral iron be given until the haemoglobion concentrations and red cell counts are normal , and that these are remeasured at about three monthly intervals for a year and further iron given as necessary .
9 I shall continue to pursue another matter on which I touched in an Adjournment debate , although it is difficult to arouse great interest in it among Conservative Members or among anyone else .
10 It is difficult to justify regular colonoscopy thereafter .
11 If it is difficult to restore economic vitality to the worst-hit redundant areas , it has nonetheless been argued , since the Hunt Report ( Department of Economic Affairs , 1969 ) on ‘ Intermediate Areas ’ , that the growth needs and potential of ‘ grey areas ’ were bypassed by policy .
12 However , it is difficult to generate accurate disability prevalence for the institutional population as the total number of those resident remains unknown .
13 However , it is difficult to generate sufficient supplies !
14 There are a number of reasons why it is difficult to compare lexical access systems .
15 Similarly when children have been ill , parental expectations of their behaviour changes , and sometimes it is difficult to re-establish previous patterns of sleep and feeding when a parent is unsure whether the child is fully recovered .
16 Mines are also still effective against Soviet armour as it is difficult to fix reactive armour under armoured vehicles .
17 In so far as it is difficult to state educational objectives in terms of measurable outcomes — and we suggest that in the case of the stated objectives of the ESSE/L Project this is particularly true — a positivist approach to appraising the project according to some simple notion of " value for money " was simply impossible .
18 However , it is difficult to detect early Wilson 's disease , since caeruloplasmin activity is low in the newborn period .
19 Given his detailed control of programmes of study and attainment targets it is difficult to envisage credible examinations that would not reflect these .
20 So it is difficult to estimate thermal expansion as a result of surface warming .
21 But , given the interpersonal nature of the Ameslan work , it is difficult to devise accurate tests to detect inadvertent undue influence .
22 Any artist 's choice of media is often a practical one ; when working outside , it is difficult to manage large-scale work , and gouache or oil lend themselves well to the immediacy and vibrancy of an outdoor setting .
23 It is difficult to break new ground in this field .
24 Trenches can be dug by machine , although it is difficult to recognize archaeological features as a machine is uncovering , and perhaps cutting through them .
25 It is difficult to measure colonic function simultaneously in its various parts and it is erroneous to extrapolate findings from one part to another .
26 Because only symptomatic patients were treated , it is difficult to distinguish biliary pain which occurs as part of the natural course of the disease from that caused by lithotripsy .
27 Several years after the sacking , it is difficult to assimilate conflicting evidence or make any real judgements .
28 To say the least , however , it is difficult to grow regular crops of fine juicy pears in local conditions .
29 It is difficult to separate incomplete adaptation from inconsistency , especially as both vary from speaker to speaker .
30 From Canada comes the comment that ‘ because musical demands are now far less challenging , it is difficult to recruit serious musicians ’ .
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