very complicated 错综复杂

“错综复杂”，汉语成语，意思是重复杂乱，形容头绪繁多，情况复杂，可以翻译为“very complicated或intricate and complex”等。

例句：

这个问题错综复杂。

It is a complicated problem.

这部小说的情节错综复杂，引人入胜。

The plot of the novel is intricate and fascinating.