Definition
to act in a foolish and bothersome manner
胡闹；捣蛋
They were monkeying around in class and ended up getting scolded by the teacher.
他们在课堂上胡闹，结果被老师骂了。
Stop monkeying around and focus on your homework!
别再胡闹了，专心做你的功课！
During the meeting, a few colleagues started monkeying around, making the atmosphere less serious.
会议期间，几个同事开始胡闹，让气氛变得不那么严肃。