Life is beautiful, but it's complicated. We barely make it. We don't need to understand. There are miracles, miracles.

生活是美好的，但它却又很复杂。或许我们很难掌握它，但没有必要去理解，因为终究会有奇迹出现。

youdao

It's all very complicated—but I'll try and explain.

尽管这一切都很难理解，但我会尽力解释。

《牛津词典》

My favourite subject is math because it's a complicated subject that drives a lot of students crazy, but I am a student who likes challenges.

我最喜欢的科目是数学，因为它是一个复杂的科目，把很多学生逼疯，但我是一个喜欢挑战的学生。

youdao

"The music here is more complicated and harder, but I think it's partly because it's also with woodwinds and brass, basically with a band.

VOA: special.2010.06.21

Clearly, it's evil in all sorts of ways. This is the fallen institution established by the fallen angels -- but it's more complicated than that.

很明显，它在各方面都很邪恶，这些是由堕落天使建立,的堕落机构，但还要更复杂。

耶鲁公开课 - 弥尔顿课程节选

So, let's write this one electron orbital approximation for berylium, that sounds like a pretty complicated question, but hopefully we know that it's not at all, 1s22s2 it's just 1 s 2, and then 2 s 2.

所以让我们写出,铍的单电子轨道近似，那听起来像是一个更为复杂的问题，但是希望我们知道它一点都不是，它仅仅是。

麻省理工公开课 - 化学原理课程节选

Life expectancy looks like a simple number but it's incredibly complicated - with a huge number of factors all playing a part.

BBC: Why do the Italians live longer than us?

But it's increasingly complicated to access mobile data networks abroad, something more people are interested in as phones get more sophisticated.

FORBES: Magazine Article

But it's also complicated.

FORBES: The Secrets Of Pfizer's Toxic Pill