Quite frankly I was scratching my head as were many as were many other people.

坦率地说，和其他许多人一样，我也在挠头。

And even though I managed to escape the lice, I could not stop scratching my head for several days.

而且，就算我想尽办法避免被传染上虱子，我也还是挠了几天的头。

I've been scratching my head, thinking.

我一直在挠头，想着。

I have been scratching my head at the ACLU for the last week.

上周我一直在 ACLU 摸不着头脑。

She use to scratch my head.

她总是挠我的头。

As my sister pouted her lips, I scratched my head.

当姐姐撅起嘴唇时， 我挠了挠头。

" I was just scratching my head and one of the lice just came out. It was just on my finger, crawling around, " he recalled.

“我挠了一下头皮，结果就发现了一个虱子。就在我的手指上爬来爬去。”他回忆说。

I just want to note I had to, like, kind of scratch my head and try even to remember when I got the last COVID booster.

我只是想指出，我有点儿摸头犯愁，试图回忆起我最后一次打新冠加强针的时间。

And this caused me to scratch my head, because as I went back through his several-hundred-page book, I couldn't find a single figure, chart, table, reference or footnote.

这使我疑惑不解，因为我翻了他数百页的书，竟然找不到一张图表，连脚注和参考文献都没有。

And while I was scratching my head about what else I could do to realize my plan, I happened to appear in the right place at the right time.

当我绞尽脑汁想着还能做些什么来实现我的计划时 我碰巧在正确的时间出现在了正确的地方。