Example sentences of "it be difficult [to-vb] these " in BNC.

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1 Next to him , the dear old thing , Blowers , at least persevered to the end , but did admit finally , ‘ Gosh , it 's difficult to identify these chaps .
2 It is difficult to use these data to draw any reliable inferences as to whether the prevalence among the institutional population is increasing .
3 It is difficult to evaluate these innovations .
4 The notion seems a useful one , though it is difficult to confirm these settings scientifically .
5 But it is difficult to see these factors as amounting to an absolute restriction when put against the equally well recorded government support for overcapacity and inefficient working .
6 Barthes 's distinction between language and metalanguage depends on a clear distinction between denotative and connotative levels of meaning and yet it is difficult to sustain these as independent categories .
7 It is difficult to put these sums into context for there is no knowing what benefit has been achieved compared to what would have resulted from some other social expenditure .
8 It is difficult to reconcile these two interpretations .
9 It is difficult to believe these comments refer to the same Report as that evaluated in a balanced leader in the Independent ( 16 November 1988 ) under the headline ‘ A blow for literacy ’ .
10 In practice it is difficult to locate these points , as the foot of the old cliff ( O on Fig. 9.18 ) may be obscured by talus or , more often , modified by erosion , in which case it may have been at A and the former cliff be represented by AH .
11 In infections with adult worms , the eggs will be found in faeces , but since it is difficult to distinguish these from Heterakis eggs , confirmation must be made by post-mortemm examination of a casualty when the large white worms will be found .
12 It is difficult to relate these mortality figures to the good initial prognosis that patients with sub-endocardial infarctions enjoy .
13 In the UK , and in most European countries , it is difficult to overcome these problems .
14 However , since the majority of rapes are not reported to the police , it is difficult to interpret these figures .
15 Though the Workshops Regulation Act of 1867 forbade the employment of children under eight in any handicraft and stated that those aged between eight and thirteen must attend school for at least ten hours a week , it was difficult to enforce these provisions and they were widely evaded .
16 Further problems arose because the aisles were narrower and lower than nave or choir , and it was difficult to reconcile these variations with the use of a semi-circular arch .
17 It was difficult to distinguish these reports from those which were elicited from subjects roused from deeper levels of sleep .
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