当某人参与 monkey business 的时候，这就是说这个人在胡闹。这个短语也能用来表达那些不诚实或违规的行为。

例句

Two policemen showed up at my neighbour's doorstep this morning. I've always suspected there's been some monkey business going on in the house.

Stop this monkey business in the classroom! You should pay attention to your lessons!

请注意

Not giving a monkey's (about something) 意思是对什么事情漠不关心。

I don't give a monkey's if my ex-boyfriend is getting married or not.