n.

1. 公驴
   Donald Trump, the billionaire American presidential candidate was called a "jackass" by his opponent. He was very pissed.

   美国总统候选人川普被他的对手称为“公驴”，他非常愤怒。

2. 愚蠢的人
   Don't stand there like a jackass, get to work!

   不要像白痴一样站在那里，去工作吧！

n.

1. a stupid person.
2. a male ass or donkey.
3. Austral. short for laughing jackass.