A pig-headed man must be one, who, like a driven pig, always will do exactly the opposite to what other people--in the case of the pig his luckless driver--wish him to do, that is to say he is an obstinate man. ["The Sedberghian," June 1882]
比喻用法。
该词的英语词源请访问趣词词源英文版：pig-headed 词源，pig-headed 含义。