1.Scientists are still puzzling over exactly how the shoes work.

科对于该鞋的工作原理仍感到困惑。

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

几百年来，科一直苦思冥想改变表面性质的方法。

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

虽然这个智力拼图很迷惑人，但并有把我难住。

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

这时我提出了最使我迷惑不解的那个问题。

5.The figures were puzzling as well as perturbing.

这些数据令人困惑不。

6.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，那就是 enigmatic。

7.The notion of contingent identity is very puzzling.

偶然同一性是很令人迷惑的。

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

所以我始终搞不懂它的形状是怎么形成的。

9.The fact haven't taken yet is puzzling .

还有诺的事实却令人费解。

10.But it was all very puzzling.

但这一切都是令人费解的。

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

我的择偶对象有时会使旁人或自己感到相当困惑。

12.He has been puzzling over the decision for two days.

这个决定让他苦思了两天。

13.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。

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

当某件事让你困惑时，你会说，这很令人费解，对吧？

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

" 这个问题真是太难了。" 嘟嘟说，其实他对这个故事早就烂熟于心。

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

如果我特别敏感，这似乎不仅令人困惑，而且令人沮丧。

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

这个谜团困扰着科罗拉多州和内布拉斯加州十几个县的执法部门。

18.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。

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

但有时物种是在有明显障碍的情况下形成的。这是令人费解的。

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

为什么，到底是为什么他决定把自己的财富捐出去？我真是想不明白。