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263页（247字）
追查探求事情的根本，一般指追问一件事的原由，例他不主张把这件事告诉上司，怕上司追根究底，把什么事都挖出来。
He does not agree to tell his boss about this matter because he is afraid that the boss will want to look into the whys and dig everything out．