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185页（214字）
形容求人怜悯时的可怜样子，像狗摇尾巴一样，例他自己不谋独立生活，只知向人家摇尾乞怜，真是恬不知耻。
An utterly shameless fellow!He doesn’t want to stand on his own feet and only knows how to fawn and be obsequious!