She threw up her hands in horror.

她惊恐地举起双手。

I spilled some potassium of permanganate crystals and Martha threw up her hands in horror when she saw them, and inquired if I were making fumble-dust.

我洒了一些高锰酸钾晶体，玛莎看到它们时惊恐地举起了手，问我是不是在制造乱七八糟的灰尘。