there's method in your madness idiom mainly UK (US usually there's a method to your madness)
疯狂中显出理性
you have a good reason for what you are doing, although you seem to be behaving strangely
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。