Example sentences of "[am/are] difficult [to-vb] [prep] the [noun] " in BNC.

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1 They are difficult to explain within the laws of electromagnetism .
2 However , they are difficult to defend in the context of aid when cultural values are different in donor countries and recipient countries , and when public opinion in the donor countries perceives aid as having a moral justification .
3 The historicity of texts might reasonably be thought to produce readings which are difficult to incorporate with the textuality of history .
4 ‘ The appeals which Anthony Scrivener ( counsel for Hammersmith ) made to safeguard the interests of the ratepayers are difficult to reconcile with the position actually shown on the accounts . ’
5 Furthermore , with cursive handwriting , words are difficult to segment into the constituent letters .
6 The effects of exposure to light are difficult to accelerate in the laboratory .
7 We make the problem a finite horizon problem ( eight periods ) since infinite horizon problems are difficult to reproduce in the laboratory and random horizon problems can be misunderstood by subjects ( see Hey and Dardanoni , 1989 ) .
8 They are difficult to investigate as the ones carrying out the dealing are obviously not the ones who have access to the inside information .
9 But all of these are rather conspicuous by day and are difficult to hide in the way that spotlights can be masked by plants .
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