Example sentences of "be difficult [verb] [adj] [noun pl] " in BNC.

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1 Even with the best of intentions it will be difficult to undo past developments .
2 It can be difficult to assess high-inference skills such as originality , commitment , initiative … etc .
3 He declined on the ground that if such a service was set up , it would be difficult to resist similar demands from other classes of physically afflicted .
4 None the less , it is surely true that it will be difficult to reach firm conclusions from comparing experiments which , however similar they may be formally , use quite different subjects , stimuli , and training procedures .
5 Ministers also accept that it would be difficult to allow competing services into each London rail terminal .
6 It would be difficult to build water-gathering reservoirs of the size of those found in other Parts of the Pennines in the Dales because of the many eaves and potholes that would carry the water away .
7 Massive prison population expansion in recent years is by no means unique to the United States , but it would be difficult to find other examples where during the 1980s the annual rate of growth exceeded 11 per cent .
8 As a consequence it can be difficult to make unpopular recommendations stick : either the credentials of the investigator or the weight of the data can easily be challenged by those with a will to do so .
9 It may be difficult to age wild animals , but not so temperate trees , because annually they produce growth rings .
10 If you do n't do this , it can be difficult joining different makes of new plastic guttering or joining plastic to old cast iron .
11 Despite , or perhaps because of , the large amount of information available it can be difficult to obtain key details which we need .
12 If s and f are both on a strong upward ( or downward ) trend , it may be difficult to obtain true estimates of the parameters α and β .
13 However , where there are small numbers of members of a particular Anonymous Fellowships it may be difficult to obtain sufficient numbers to get the maximum benefit from the group process .
14 It can wobble about and be difficult to fit additional cards .
15 Jacobitism 's main base was in the north-east lowlands , an area where it had been difficult to insert Presbyterian ministers after the Glorious Revolution , and where Stuart loyalism continued to be nurtured by an active episcopalian clergy .
16 One reason for this lack of information is that it has been difficult to obtain pure enzymes that are sufficiently active under in vitro conditions .
17 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 .
18 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 .
19 But , given the interpersonal nature of the Ameslan work , it is difficult to devise accurate tests to detect inadvertent undue influence .
20 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 .
21 Given his detailed control of programmes of study and attainment targets it is difficult to envisage credible examinations that would not reflect these .
22 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 .
23 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 :
24 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 .
25 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 .
26 It is difficult to evaluate different systems because they are traditionally idiosyncratic depending on their particular area of specialisation .
27 However , it is difficult to generate sufficient supplies !
28 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 .
29 In practice most research and development is carried out in high-tax jurisdictions because it is difficult to attract skilled employees to tax haven locations , and in order to take advantage of local tax deductions .
30 Trenches can be dug by machine , although it is difficult to recognize archaeological features as a machine is uncovering , and perhaps cutting through them .
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