Example sentences of "are [adv] difficult [verb] [prep] [noun sg] " in BNC.
Next page| No | Sentence |
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| 1 | There have been few studies of office automation applications , but projections about specific skill requirements are extremely difficult to make at present because it is as yet quite unclear how office automation will be used . |
| 2 | This is also the reason why road accidents are so difficult to approach by training , safety on the road is much more to do with attitudes than with driving skill ( Parry , 1968 ) . |
| 3 | When using a mitre box or block for cutting mitres , some sections are more difficult to hold in place — dowel rod is a good example . |
| 4 | ‘ But the distances to further stars are more difficult to measure from Earth , ’ Penston said . |
| 5 | However , the techniques are still difficult to use in practice for arbitrary initial data . |
| 6 | It has to be said that some species are notoriously difficult to acclimatise to aquarium life when collected from the wild , but once the acclimatisation process is complete they will usually become resilient and even robust . |
| 7 | This form of association is quite fascinating but not easily replicated in the aquarium as diadema urchins are notoriously difficult to keep in captivity . |
| 8 | Cells in the second meiotic division ( MII ) are often difficult to analyse on account of the twisting and overlapping of chromatid arms , but when well spread , they can , and have , been used to assess aneuploidies arising from a segregational error at the first meiotic division ( 1,2 ) . |
| 9 | Although widely used , these categories are often difficult to apply in practice . |
| 10 | African Fish Eagles are not an endangered species at the moment but are very difficult to breed in captivity , so it 's quite an achievement for the birds of prey centre . |
| 11 | Thus the warming and the movement of water help to give rise to climate , which is immensely complex ; and the day-to-day fluctuations which are known as ‘ weather ’ are extraordinarily difficult to predict in detail , more than a few hours ahead . |