Example sentences of "be [adv] difficult [verb] [prep] [noun sg] " in BNC.
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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 | However , as some women do n't realise that they are pregnant , experience no pain and simply assume that they are having period problems , the condition can be extremely difficult to detect in time . |
| 11 | The bondholders , spread in their thousands across Europe , may be more difficult to bring into line . |
| 12 | Process aspects of mathematics may prove to be particularly difficult to express in criterion statements , but little work has yet been undertaken in this area . |
| 13 | It can be very difficult to assess in advance what will be regarded as anticompetitive and what is acceptable business behaviour . |
| 14 | Before the advent of MRI intramedullary tumours were often difficult to detect on myelography , particularly infiltrating lesions with only minimal expansion of the cord . |
| 15 | ‘ That is precisely what is so difficult to achieve in performance . |
| 16 | There may be circumstances where an integration of different programmes can reduce duplication and sharpen policy effectiveness , but in general co-ordination achieves very little — it is extremely difficult to put into practice . |
| 17 | It is extremely difficult to say in advance whether or not any particular action or series of actions will be regarded as disorderly conduct . |
| 18 | In practice , therefore , the size of the money multiplier will vary and is thus difficult to predict in advance . |
| 19 | The presence of vines is more difficult to explain as viticulture has yet to be proved positively in Roman Britain , although it would seem logical after the Edict of Probus . |
| 20 | The story of Shinwell 's defection is more difficult to establish with accuracy . |
| 21 | ‘ Just as it is now difficult to conceive of marketing without measurement , a PR agency seeking to change the perception of its clients … will begin by quantifying the scale of the problem … and the effect of its activities over time . ’ |
| 22 | As we will see , the distinction between these kinds of effects is often difficult to make in practice , since processing of earlier sentences will often have involved the use of more general knowledge . |
| 23 | This separation is a useful distinction , although it is often difficult to make in practice . |
| 24 | In natural waters , colour is often difficult to dissociate from turbidity , and any measurements must be made on samples that are substantially free from suspended matter . |
| 25 | However , it is often difficult to distinguish between fact and fiction . |
| 26 | It is often difficult to distinguish from damp caused by the entry of rain and ground water , but it is nearly always accompanied by the formulation of mould — usually green/black . |
| 27 | In practise , this is often difficult to achieve of course . |
| 28 | The first criterion is frequently difficult to apply in practice , but it is conceptually important . |
| 29 | ‘ It is doubly difficult to deal with AIDS in a country like Britain where there is still an understandable reluctance to have frank and open discussions on emotional issues . |
| 30 | It is sometimes difficult to differentiate between illness and natural ageing processes . |