她屁股一扭一扭地走了过去。

Her bottom wiggled as she walked past.

《牛津词典》

她走路一扭一扭的。

She walks with a rolling gait.

《新英汉大辞典》

在你面前扭一扭，你就受不了了。

And just kind of wiggle in front of you.

youdao

But,anyway,these police were wrestling to the ground these mayors who were protesting,using their tri-color sashes, threatening to strangle them with their own sashes of their authority.

回到正题,这些警察和抗议的市长们,在地上扭成一团,市长们用代表职权的三色旗饰带,威胁着要把警察扼死

耶鲁公开课 - 1871年后的法国课程节选