恩将仇报
书籍：汉英成语词典
更新时间：2018-12-03 21:13:34
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94页（288字）
把恩人当做仇人，例好心的东郭先生把狼从袋中解放出来，谁知道这只狼竟恩将仇报，张着血口朝东郭先生扑去。
The kind Mr．Dongguo let the wolf out of the sack．Who would have thought，the wolf would not only not be giateful to his liberator，but actually jumped at Mr．Dongguo with its jaws wide open．