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》

Since they ruled it until Samson took them out with the jawbone of an ass.

他们统治那里直到被参孙用驴腮骨将他们逐出领地。

youdao

An ass she never liked until she met you.

不过她从不喜欢，直到遇见了你。

youdao

"I have enough self-awareness to realize that I pretty much made an ass of myself last year, " he said.

WSJ: Fox News 'mole' resurfaces with book

Or we could conclude that sometimes the law is an ass.

FORBES: Some US Dollar Coins are Illegal to Own in the US

An ass that could drag the moon out of orbit.

NEWYORKER: Alma