15. The system as claimed in claim 11 , said system further includes: a word pair table, wherein each word pair in said word pair table includes a monitored vocabulary in said at least one monitored vocabulary set, and a candidate homonym synonym of said monitored vocabulary.
15. The system as claimed in claim 11 , said system further includes: a word pair table, wherein each word pair in said word pair table includes a monitored vocabulary in said at least one monitored vocabulary set, and a candidate homonym synonym of said monitored vocabulary. 16. The system as claimed in claim 15 , wherein for the monitored vocabulary and a candidate homonym synonym of each pair in the word pair table, said homonym synonym identification device fetches one or more partial words from a corresponding post respectively, and saves the one or more partial words respectively corresponding to the monitored vocabulary and the candidate homonym synonym as a target window and a candidate window, respectively.