scratcher

基本解釋

Like the previous chapter, “Interrogation Techniques” is a head-scratcher.
同前一章一樣，“訊問技術(shù)”很令人頭疼。
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.
實(shí)際上，雖然時(shí)間幻覺是大腦自身産生的，但正如《盜夢空間》的情節(jié)一樣，這種幻覺也是個(gè)令科學(xué)家感到費(fèi)解的難題。
After winning three dollars on a scratcher ticket that was given to him as a gag gift, Srivastava got to wondering about the process of how tickets were made.
有朋友送給斯裡瓦斯塔瓦一張刮刮樂讓他玩玩，結(jié)果中了三美元。這讓他開始琢磨彩票的中獎(jiǎng)是如何排定的。

After its mergers Pfizer lost scientists either through voluntary departures or--a real head-scratcher--in firings.
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After its mergers Pfizer lost scientists either through voluntary departures or, in a real head-scratcher, firings.
FORBES: Magazine Article
And, considering that for most companies the marketing budget is their biggest expense, this is a head-scratcher.
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