two wrongs don't make a right idiom saying
以牙还牙是不可取的。
said to emphasize that it is not acceptable to do something bad to someone just because they did something bad to you first
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。