Example sentences of "difficult it is [verb] [adv] " in BNC.

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1 To go on thus is like walking up an ever-narrowing blind alley : the further you go the more difficult it is to turn about ; the more certain and greater the ultimate disaster .
2 When you are sleepy the muscles around your eyes relax and your vision may become blurred — remember what it is like sitting and listening to a boring speaker and how difficult it is to focus clearly upon him .
3 Today , wheelchair users are trying to raise awareness of how difficult it is to get around .
4 Today , wheelchair users are trying to raise awareness of how difficult it is to get around .
5 It has been recognised how difficult it is to attribute accurately the effect of humans on soil erosion ( Stocking 1978b : 130 ) because of the uncontrolled nature of many other crucial variables , such as climatic change .
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