Example sentences of "make it difficult [to-vb] [adj] [noun pl] " in BNC.

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1 Although ANTA 's new location can make it difficult to get raw materials in and finished product out , the Stewarts are convinced the move north was a good one geographically .
2 These limitations affected the size of the sample and also made it difficult to employ such procedures as the multiple judging of rating scales .
3 The keyboard duet had only recently become a viable medium , since the restricted compass of earlier instruments made it difficult to seat two players at one keyboard .
4 At Ruskington the inadequacies of the data make it difficult to draw firm conclusions , although there appears to be a smaller proportion of graves with amber than at Sleaford .
5 The increase in mean ozone concentration with latitude and the existence of seasonal cycles in ozone levels make it difficult to detect any trends in global ozone concentration .
6 There is no shortage of theorizing , of course , but the complexity of human society , the intangibility of cause and effect , make it difficult to test major theories in rigorous conditions or to overturn a consensus view once one has become established .
7 The technique has enabled spectra to be obtained from the metallic cores of some important biological molecules such as hemoglobin and some enzymes , where the low concentration of the metal and the low solubility of the substance itself make it difficult to study vibrational spectra in any other way .
8 In some areas , ignorance and taboos make it difficult to introduce new customs .
9 First , those items which make it difficult to recognise specific abilities in a child will be of less value than those which provide descriptions that can easily be applied .
10 When petrological thin-sectioning ( see glossary ) is carried out , many separate items of data may be collected from each artefact studied , making it difficult to see those groupings of artefacts that have features in common .
11 Measures of quality and outcome barely exist , making it difficult to make good judgements about the ‘ best buy ’ .
12 The only thing in the way is the fact that all nuclei are electrically charged and ‘ like charges repel ’ : this repulsion makes it difficult to force those nuclei together .
13 That conception makes it difficult to address sharp upheavals in the international system that occur in many periods of structural change , the rivalry between different countries that occurs in international trade and finance , or the impact that a country 's internal conditions ( such as the structure of its unions and management ) have on its international position .
14 The particular avant-garde perspective of their critique ( as of Greenberg 's ) makes it difficult to avoid first impressions of a conflation in their work of ‘ genuine art ’ with ‘ elite art ’ .
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