I made an ass of myself at the meeting—standing up and then forgetting the question.

我在会议上出了个大洋相—站起来却忘了要问的问题。

《牛津词典》

The ass, being the tallest of the company, marched up to the window and peeped in.

这头驴是这群人中最高的，它大步走到窗口偷偷地往里看。

youdao

She gave me all the inspiration I needed to wake up every morning and kick some ass, because that's what you have to believe as a startup founder.

是母亲给了我所有的灵感让我每天早晨醒来都全力以赴的工作，因为这就是作为一个创业者的信仰。

youdao

But first, the New Orleans rapper Juvenile has sold millions of records with hits like Back That Ass Up.

NPR: Rapper Juvenile Returns to New Orleans

But that was worse: up to your ass all day in sticky juice, with acid eating into the cuts on your hands.

CNN: Excerpt: 'Joe DiMaggio: The Hero's Life'

After this initial foray into the mainstream, Heacock observes that usage of "kick ass", "kicking ass" and "kick-ass" picked up even more frequently from roughly the year 1990 onwards.

BBC: Kentucky 'kicks ass': Taking pride in plain speaking