One of these expressions is " monkeyshines, " meaning " tricks or foolish acts."

其中一个表达是monkeyshines，意思是“恶作剧或愚蠢行为。

What? You think I'm too old to make monkeyshines at a picture show?

么 你觉得我到连取笑烂气都没有了吗？

So, when a teacher says to a group of students " Stop those monkeyshines right now! , " you know that the boys and girls are playing instead of studying.

所以，当师跟一群学生说“Stop those monkeyshines right now! ”你就会知道孩子们在玩而不是学习。