But deciding on what ship to do, that's a challenging aspect.

但难点于敲定船的样式。

What makes it so hard is that you reverse direction on takeoff.

这种跳的难点于你起跳时要调转方向。

This is one of the trickier things to design for.

这是设计的难点之一。

With that change enacted, there was all manner of good work ready to be performed.

随着这一难点的解决，各种良性工作都得以开展了。

Now the difficulty here again is in the second word.

这里的难点又第二个词上。

The hardest thing about creating a premium game is marketing.

打游戏的最大难点于市场营销。

So I would say there are two difficulties here.

说这里有两个难点。

Now, the other difficulty here is we have another consonant cluster.

这里的另一个难点是另一个辅群。

Yeah, that is always a hard part.

嗯，那一直是个难点。

The difficult thing about the pronunciation of this word is the two consonant sounds.

关于这个单词的发难点于两个辅发。

The hardest bit of the puzzle is the host-selection process.

问题的难点于承办权的竞选过程。

This is what makes this question type so difficult.

这就是这个题型的难点所。

Harder. Let's get it. One. Slip. Three. Four. Ah, oh!

再难点。让们接住它。一个。滑动。三。四。啊，哦！

The real difficulty is in sticking to this list.

真正难点于坚持。

So the trouble with gravitational waves is that they're very weak; they're preposterously weak.

研究引力波的难点于它们太微弱了； 微弱得不合常理。

One challenge of diagnosing celiac disease is that there are no classic signs or symptoms.

诊断乳糜泻的一个难点是这种疾病没有明显的预示和症状。

What's hard is getting people to understand why the ocean matters to them.

难点于如何让人们理解海洋对人类的重要性。

There are, of course, knots to be worked out.

当然，这其中有些难点需要解决。

Getting the necessary technology out to all corners of the globe is part of the challenge.

将必需的技术推广到世界各地是部分难点所。

But actually, what was preventing me from developing a solution that was both affordable and functional.

那么，开发出既实惠又实用的解决方案的难点是什么呢。