Scientists are still puzzling over exactly how the shoes work.

家们对于该鞋的工作原理仍感到困。

Scientists have been puzzling over how to transform surfaces for centuries.

几百年来，家们一直苦思冥想改变表面性质的方法。

This puzzle is puzzling, but it doesn't puzzle me.

虽然这个智力拼图很迷人，但并没有把我难住。

Then I came to the question which had seemed to me most puzzling.

这时我提出了最使我迷不解的那个问题。

The figures were puzzling as well as perturbing.

这些数据令人困不。

Well, here's a better word to replace very puzzling, and that's enigmatic.

这里有一个更好的词来代替非常令人费解，那就 enigmatic。

The notion of contingent identity is very puzzling.

偶然同一性很令人迷的。

So, it's very puzzling how it could have obtained this shape.

所以我们始终搞不懂它的形状怎么形成的。

The fact haven't taken yet is puzzling .

还没有许诺的事实却令人费解。

But it was all very puzzling.

但这一令人费解的。

It can be very puzzling to those around us and to ourselves.

我们的择偶对象有时会使旁人或自己感到相当困。

He has been puzzling over the decision for two days.

这个决定让他苦思了两天。

The novel details the disappearance of the orphan Edwin under puzzling circumstances.

这本小说详细描写了诡谲的孤儿 Edwin 失踪案。

Now, when something puzzles you, you say, it's very puzzling, right?

当某件事让你困时，你会说，这很令人费解，对吧？

" It's awfully puzzling, " said Tootles, who knew the story by heart.

" 这个问题真太难了。" 嘟嘟说，其实他对这个故事早就烂熟于心。

If we are especially sensitive, it seems more than puzzling, it is disheartening.

如果我们特别敏感，这似乎不仅令人困，而且令人沮丧。

The enigma puzzling Colorado and Nebraska law enforcement in more than a dozen counties.

这个谜团困扰着罗拉多州和内布拉斯加州十几个县的执法部门。

At this point, the United States took the puzzling step of moving against Iraq.

在这时，美国令人费解地展开了对伊拉克的战争。

But sometimes species form in circumstances where no such barriers are apparent. That is puzzling.

但有时物种在没有明显障碍的情况下形成的。这令人费解的。

Why, oh why did he decide to give his fortune away? It's puzzling to me.

为什么，到底为什么他决定把自己的财富捐出去？我真想不明白。