出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第147页（203字）
比喻主持公道，挺身维护被迫害者，例他见同学被人欺侮，便毅然地拔刀相助，打退对方。
When he saw his classmate being molested，he did not hesitate to come to hcr rescuc and send the molester flying．