intricacy
n
(a) [U] quality of being inticate 错综复杂.
(b) intricacies [pl]
intricate things, events, etc 错综复杂的事物
unable to follow the intricacies of the plot 难以理解情节中复杂的关系.
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.