a teacher of philosophy in ancient Greece, especially one with an attitude of doubting that statements are true （古希腊的）哲学教师；（尤指怀质疑态度的）哲人，智者 a person who uses clever but wrong arguments 诡辩者；诡辩家
Word Originmid 16th cent.: via Latin from Greek sophistēs, from sophizesthai ‘devise, become wise’, from sophos ‘wise’.