对我们喜欢的东西说“不”会很有挑战性。
这很有挑战性，但她也让它变得很有趣。
对于一个领导者而言，创造一个让人们可以自由表达异议和主张的环境是很有挑战性的，但正如俗话所说——冲突之下，必有精彩。
As a leader, it can be challenging to create an environment in which people will freely disagree and argue, but as the saying goes: From confrontation comes brilliance.
合理使用颜色很有挑战性。
比如说，有些字幕工作很有挑战性；
（工作）辛苦但是很有挑战性。
那座山比较危险并且很有挑战性。
很有挑战性，我觉得我学到了很多东西。
任务的是很有挑战性的，但
为自己家人和朋友挑礼物是很有挑战性的。
Choosing a gift for your family and friends can be a real challenge.
一对一的关系很有挑战性但是值得这么做。
A one-on-one relationship will be challenging but worth your while.
我的工作很有挑战性。
创建DSL是很有挑战性的工作，但同时会带来很多好处。
Creating an DSL is challenging, but it does provide many advantages.
真的很有挑战性。
很多特性都很困难很有挑战性，只是观察的角度不同。
Many of them were rather difficult and challenging, just from different aspects.
SEO很有挑战性，而在大型站点上挑战会成倍增加。
As challenging as SEO can be, the challenges multiply on large sites.
在社会情境中融入用心是很有挑战性的，但不是不可能。
It can be challenging to incorporate mindfulness in a social situation but not impossible.
我发现它很有挑战性以及让我使用我的电脑怪招去玩它。
I find it challenging and I finally have put my random computer-geek skills to use.
这很有挑战性，因为单元测试中没有网络，AJAX调用会失败。
This is challenging because there is no network in a unit test and the AJAX call will fail.
是的，很有趣，也很有挑战性。我经常跟不同的人打交道。你呢？
Yes, it's interesting and challenging. I meet a lot of different people. How about you?
尽管极限运动很有挑战性，但是一旦你征服了它，对你来说就是巨大的成功。
Extreme sports are very challenging, but once you overcome them, it's a big success for you.
但是利率的变化会有更为广泛的影响，所以制定财政政策是很有挑战性的任务。
But there are many more extensive consequences of interest rate changes, and that is why setting monetary policy is a challenging task.
理解gnome.org站点中的文档与示例是很有挑战性的，但也不是不可能。
Navigating the documentation and examples on the gnome.org site can be challenging but not impossible.
对于一个核电厂来说，这是个很有挑战性的意外，被认为是“装置外能源缺失”。
This is a challenging accident for a nuclear power plant, and is referred to as a “loss of offsite power.”
由于在客户机和服务器间存在着巨大差异，让这个目标成为现实还是很有挑战性的。
Making this vision a reality is challenging because of the rather significant chasm between client and server.
由于在客户机和服务器间存在着巨大差异，让这个目标成为现实还是很有挑战性的。
Making this vision a reality is challenging because of the rather significant chasm between client and server.
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