3. A translation machine according to claim 2, wherein said translation module further includes second analyzing means for analyzing said original sentence syntactically and selecting a plurality of parsing trees of said original sentence each corresponding to one of said syntactic structures by means of said dictionary and grammatical rules based on a result of said first analyzing means.
4. A translation machine according to claim 3, wherein said translation module further includes converting means for converting each of said parsing trees of said original sentence into equivalent parsing trees of said target language, respectively, by means of a tree structure conversion rules.