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260页（268字）
厚待一方而薄待另一方，即偏袒的意思，例父母对子女应该一视同仁，不应厚此薄彼，以免使儿女产生不良的心理影响。
In order not to have a bad psychological effect on their children，parents should treat their children equally and not favour one and discriminate against the other．