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199页(212字)
指蛮横不讲理,无法以道理来说服,例他原本是个明理的人,如今竟如此固执己见而不可理喻,实在令人费解。
He was always a reasonable person,but now he has become impervious to argument-wonder what is at the back of it?