Example sentences of "difficult to be precise " in BNC.
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1 | ‘ It is more difficult to be precise about this than about the earlier phases , partly because the pictures are rarer and less accessible , and have not been adequately photographed , partly because it includes considerable variations . ’ |
2 | Parents ' groups come and go whether or not there are CMHTs and it is difficult to be precise about the CMHT contribution in this field . |
3 | He followed his robots ( two children as robot nurses ) around , whispering instructions to them and occasionally taking over and doing the tasks for them as he found it difficult to be precise in his instructions . |
4 | It is difficult to be precise about the outcome , but again the general impression seems to be that there has been no significant and continuing deterioration , and some well-placed observers thought that behaviour had , on the whole , improved . |
5 | It is difficult to be precise until the system has been implemented , but some results seem likely . |
6 | For radiologists , it is difficult to be precise because when contrast medium is passing through the distal oesophagus , the lower oesophageal sphincter is relaxed and it is impossible to define . |
7 | There were five of them , I think ; it was difficult to be precise in the gloom . |