overkill
noun [ U ] disapproving uk/ˈəʊ.və.kɪl/ us/ˈoʊ.vɚ.kɪl/
多此一举，适得其反
much more of something than is needed, resulting in less effectiveness
Should I add an explanation, or would that be overkill? 我应该再解释一下吗，还是那样会画蛇添足？
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。