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

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1 It is sometimes very difficult indeed not to be very cross , and there have been some occasions when I have had to go and chop up a few logs in order to abate my own aggression before replying .
2 Even when a discharge is discovered , it is sometimes very difficult to establish where the other end of the pipe is : town plans or the other records which comprise the organizational memory are often incomplete or out of date , while physically tracing the effluent can involve the time-consuming and hazardous task of lifting manholes in the middle of city streets while filling sample buckets , proceeding by trial and error to narrow down the possible sources of pollution .
3 If a grain or cement retains its form during alteration it is sometimes very difficult to determine when that alteration took place , unless it can be linked to other dissolution/replacement phases .
4 It is sometimes quite difficult to say ‘ no ’ to a boy .
5 Yeah I agree with you because it is sometimes quite difficult for somebody who 's handicapped to find the courage to go out .
6 Against : Documentation would be better if it included a tutorial , as it is sometimes quite difficult to follow .
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