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

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1 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 .
2 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 .
3 When King Gustav VI Adolph of Sweden turned his attention to objects made of this material in building his collection of Chinese art there were those who found it difficult to reconcile such pieces with his choice porcelains , jades and lacquer-work .
4 When your most familiar role models are those of a compliant woman or the ‘ strong , silent type ’ of man you may find it difficult to reconcile these influences with the aggressive determination you feel as a female , or the sensitivity and intuition you experience as a man .
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 They often found it difficult to resist these demands .
7 These limitations affected the size of the sample and also made it difficult to employ such procedures as the multiple judging of rating scales .
8 In particular , traditional descriptive and analytic methods find it difficult to contemplate such phenomena as : ( 1 ) close approximation of phones without merger ; ( 2 ) overlapping allophones ; ( 3 ) flip-flops , and ( 4 ) reversal of merger .
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