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85页（199字）
形容求人怜悯时的可怜样子，像狗摇尾巴一样，例自己不谋独立生活，只知向人摇尾乞怜，真是恬不知耻。
He really has no sense of shame!Fawning and grovelling，instead of being independent in his own right!