Along with old classics like "carrots give you night vision" and "Santa doesn't bring toys to misbehaving children", one of the most well-worn phrases of tired parents everywhere is that breakfast is the most important meal of the day.
2019年12月四级真题（第三套）阅读 Section B
英语六级真题
Speaking from New Zealand via Skype, Moffitt explained that self-control problems were widely observed, and weren't just a feature of a small group of misbehaving kids.
2016年6月六级真题（第一套）听力 Section C
柯林斯高阶英汉双解学习词典释义
VERB
(尤指儿童)行为不当，举止失礼
If someone, especially a child, misbehaves, they behave in a way that is not acceptable to other people.