There was no Hereditary Scratcher.

没有世袭的抓痒官。

Do you decide to buy a cat scratcher or cat climber?

您有，或者想过要买一个猫爬架吗？

She was a lovely child but unfortunately a scratcher.

她是个可爱的孩子，但可惜爱抓人。

For judges of a secular bent, that may prove quite a wig-scratcher.

对于具有世俗倾向的法官来说，这可能会是一个很让人挠头的问题。

Like the previous chapter, "Interrogation Techniques" is a head-scratcher.

同前一章一样，“讯问技术”很令人头疼。

Do you decide to buy a cat scratcher or cat climber? If no, please explain.

您有，或者想过要买一个猫爬架吗？如果没有，请告诉我原因。

In fact, the illusion of time may be created by the brain itself, which is at least as much of a head-scratcher as the plot of Inception.

实际上，虽然时间幻觉是大脑自身产生的，但正如《盗梦空间》的情节一样，这种幻觉也是个令科学家感到费解的难题。

Two countries, both huge in technology, with somewhat opposingproblems. This became my curious head scratcher, and I wanted to learnmore.

两个拥有大量科技的国家，面对逆向问题，令我摸不着头脑，更想了解更多。

I think virtually nothing has been done in this field so I think this is an area that is a real head scratcher and we do not even have any exploratory data.

我想，目前该领域尚未有真正的进展，这是一个很令人头痛的领域，我们甚至没有任何探索性的数据。