8. A translation text inputting apparatus for inputting phonograms of at least one of a kana and romaji form of expression, and converting the at least one kana and romaji phonogram to a kanji and kana character string in a second form of expression, said phonograms being in said translation text which includes at least a word translated from a source text, the apparatus comprising: means for inputting translation text phonograms of at least one of kana and romaji; a source text analysis and bilingual dictionary retrieval module for predicting at least a translation text word composing the translation text, by identifying at least a source text word which composes the source text and retrieving a bilingual dictionary by use of the identified source text word as a key; a phoneme recognition module for converting the inputted translation text phonograms to a lattice of phonemes with recognition probability exceeding a predetermined value; and, a phoneme to character conversion module for converting the lattice of phonemes outputted by said phoneme recognition module to a character string, wherein a path in the lattice is searched, said path matching the phonemic expression of one of the translation text words predicted by said source text analysis and bilingual dictionary retrieval module and said path being converted to the second form of expression of the matched translation text word.
8. A translation text inputting apparatus for inputting phonograms of at least one of a kana and romaji form of expression, and converting the at least one kana and romaji phonogram to a kanji and kana character string in a second form of expression, said phonograms being in said translation text which includes at least a word translated from a source text, the apparatus comprising: means for inputting translation text phonograms of at least one of kana and romaji; a source text analysis and bilingual dictionary retrieval module for predicting at least a translation text word composing the translation text, by identifying at least a source text word which composes the source text and retrieving a bilingual dictionary by use of the identified source text word as a key; a phoneme recognition module for converting the inputted translation text phonograms to a lattice of phonemes with recognition probability exceeding a predetermined value; and, a phoneme to character conversion module for converting the lattice of phonemes outputted by said phoneme recognition module to a character string, wherein a path in the lattice is searched, said path matching the phonemic expression of one of the translation text words predicted by said source text analysis and bilingual dictionary retrieval module and said path being converted to the second form of expression of the matched translation text word. 11. A translation text inputting apparatus according to claim 8, further comprising: means for displaying a first part of the source text contained in the source text display module in a format different from that of the other remaining parts; means for analyzing only the first part of the source text contained in the source text analysis module, which is displayed in a format different from that of the other remaining parts; and, means for converting the translation text from the phonograms to the kanji and kana character string, using candidate words which are predicted by analyzing the first part contained in the source text displayed in a format different from that of the other remaining parts.