I knew very well that the problem was more complex than he supposed.

我很清楚这个问题比他料想的更复杂。

《柯林斯英汉双解大词典》

As a relationship becomes more established, it also becomes a good deal more complex.

当一段关系固定下来以后，它也会变得复杂得多。

《柯林斯英汉双解大词典》

Why become more complex?

为什么要变得更复杂？

youdao

He showed that simple American English could be as fine an instrument for great writing as more complex language.

VOA: special.2010.03.21

So, I think we have these molecular orbital energies down, so let's move on to talking about more complex molecules.

分子轨道能量就说到这里，让我们继续来讨论一下更复杂的分子。

麻省理工公开课 - 化学原理课程节选

In the immune system you could think of it as an even more complex set of outcomes that occur.

免疫系统是一个,有更多复杂结果的大集合

耶鲁公开课 - 生物医学工程探索课程节选

By contrast, the more complex National Assessment of Educational Progress test is designed to study average performance.

FORBES: Are We Spending Too Much On Education?

The newer generation of bundling is much more complex and harder to judge by the old standards.

FORBES: Bundling Up IT

Branches are increasingly popular with customers as their financial lives become more complex with age.

BBC: Do bank branches just need a makeover?