The part of speech regarding on ‘Modesty’[Biao jing; 表敬] vocabulary has been reexamined whether a word that is functionally used as adverb can be used as other constituent of sentence. As a result, every words that are classified as ‘Modesty’[Biao jing; 表敬] adverb are also classified as verb or adjective. For example, verbs and adjectives can be used as different constituents of sentence; verb qing[請; to ask] as adverb [asking], verb jing[敬; respect] as adverb [respectfully], verb jru[辱; be a dishonor] as adverb [be a dishonor ≪to≫] etc. adjective xing[幸; fortunate] as adverb [fortunately], and adjective hui[惠; boon; afavor; abenefit; ablessing;] as adverb [friendlily] etc. In conclusion, there was no word that can be solely classified as ‘Modesty’[Biao jing; 表敬] adverb in Xian Qin-Liang Han[先秦-兩漢]. Verbs and adjectives were also used as adverb.