实现这些目标从理论上说比较容易，但在实践上却相当困难。
Achieving these goals is relatively easy in theory, yet quite difficult in practice.
对于许多学校来说，要找到关于这个问题的可靠统计数据是相当困难的。
It is actually quite difficult to find reliable statistics on the issue for many schools.
到目前为止，机器在模仿创造力方面有相当困难的时间，它们的随机性足以让计算机无法预测，但也不仅仅是简单的随机性。
So far, machines have a pretty hard time emulating creativity, arbitrary enough not to be predicted by a computer, and yet more than simple randomness.
我们不知道读者到底想要什么，所以选出一张能被广泛接受的食物图片是相当困难的。
We don't know exactly what the readers want, so it's quite hard to choose a widely accepted picture of the food.
我有最后期限，这会让我和别人生活变得相当困难。
I have deadlines which would make life with someone else fairly difficult.
老爷爷颤抖的手和下降的视力让吃饭变得相当困难。
The elderly grandfather's shaky hands and failing sight made eating rather difficult.
我是谁，这一点解释起来相当困难。
不过遗憾的是，观测它们相当困难。
没有理解这些，天文学是相当困难的。
要说服他们孤立穆加贝先生相当困难。
Persuading them to collaborate in isolating Mr Mugabe is hard enough.
当某个人得病时，那样做相当困难的。
从这么大的挫折中恢复过来是相当困难的。
Coming back from such a large setback was extremely difficult to say the least.
宾先生同意这种观点，但执行起来相当困难。
要开始执行第二步可是相当困难。
听起来这已经够容易的了，但实际上相当困难。
This might sound easy enough, but in practice it can be quite hard.
到那里去相当困难。
即使是最能干的媒婆，要把你推销出去也相当困难。
You'd be a terrifically hard sell even for the most accomplished matchmaker.
为已知的未知事件做准备相当困难，除非你重视他们。
It's extremely hard to prepare for the known unknowns until you take them seriously.
其实，想检验所有的存在相当困难，也很难使它开口说话。
Verily, it is difficult to prove all being, and hard to make it speak.
要想说服农场主远离玉米乙醇行业是相当困难的。
It's going to be hard to persuade farmers away from ethanol.
翻译中要契合押韵格式相当困难，尽管有些译者这样尝试过。
To match the rhyme scheme is very difficult-though some have tried.
可能这是一个解决一个你面对的相当困难的项目或问题的方式。
Maybe it’s a realization about how to approach a particularly difficult project or problem that you’re facing.
可能这是一个解决一个你面对的相当困难的项目或问题的方式。
Maybe it's a realization about how to approach a particularly difficult project or problem that you're facing.
然而，验证这些理论相当困难，因此这些理论正确与否无人知晓。
But testing these theories is hard, so nobody knows if they are true.
这是一个相当困难复杂的图像，只是被冒充成简单的抽象画罢了。
It's a very difficult and complex image, masquerading as a simple abstraction.
需要扫描仪的数量以及梦境控制的难度都使得实施该实验相当困难。
The number of scanners, and the difficulty of controlling dreams, has meant that the experiment was extremely difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
对于暴发户来说，想进入到以上任一行业都是相当困难的。
对于暴发户来说，想进入到以上任一行业都是相当困难的。
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