intricate
adj
made up of many small parts put together in a complex way, and therefore difficult to follow or understand 错综复杂的
an intricate piece of machinery 一部复杂的机器
a novel with an intricate plot 情节错综复杂的小说
the intricate windings of a labyrinth 迷宫中扑朔迷离的路线
an intricate design, pattern, etc 复杂的设计、 图案等.