111.   We have had enormous difficulties in enforcing our authority....

112.   We still have many difficulties in assigning particular nuances to one or other category and attempt to resolve them by discussion.

113.   When the story was published, he was dismissed from his post, and had great difficulty raising money for further excavations.

114.   When we deal with constituents at our surgeries we have difficulty understanding the complexities.

115.   Why, in the absence of almost any other serious problems, did he have such difficulty in completing schoolwork?

116.   With the program running full screen some students had difficulty finding the Windows calculator.

117.   Without the models, the engineers had difficulty communicating at all.

118.   Woodpeckers, accustomed to chiselling their food out of timber, have little difficulty in cutting out nest chambers in tree trunks.

119.   Work-inhibited children often have difficulty engaging in competitive play.

120.   Young children often have difficulty expressing themselves.