"Of course! You think this is a simple thing, but it isn't easy in fact." Socrates replied seriously.

“当然！你以为这是件简单的事，其实它并不容易。”苏格拉底认真回答道。

youdao

It isn't easy to explain.

这可不容易解释啊。

youdao

But it isn't easy.

然而，这绝非易事。

youdao

It isn't the case that defending easy dominates defending hard.

防守平坦之途并非优于防守崎岖之途

耶鲁公开课 - 博弈论课程节选

If you think this class is going to be easy, I think it isn't actually an easy class. It's actually quite a hard class, but I think I can guarantee it's going to be a fun class.

你要是认为这门课挺简单,这不是轻松的课,事实上它有点难,我保证这门课一定很有趣

耶鲁公开课 - 博弈论课程节选

Well in C and other languages that we'll see this semester, you use what's called the for loop, and this as syntax isn't quite as straightforward but once you know what to look for, it's very easy to understand.

在C语言和一些我们这学期将要接触的编程语言中，你将会用到所谓的for循环，也许作为一种语法规则，它看起来不是那么的通俗易懂,但是你一旦知道曲中奥妙，就不难理解了。

哈佛公开课 - 计算机科学课程节选

It isn't easy defending politicized tax enforcement, but our liberal friends are up to the job.

WSJ: Review & Outlook: A Tax-Exempt IRS Primer

It isn't easy work ... and it's going to require social, economic and political reform.

CNN: Bush ends Mideast tour with peace push in Egypt

It isn't easy, and the required calculations can seriously slow down a shooter's time to trigger.

ENGADGET: DARPA calls on Cubic Corporation to develop frighteningly accurate One Shot XG sniper rifle