5. The apparatus according to claim 4 , wherein the correspondence extracting unit extracts the inter-word correspondence relation between the first word and the second word, when a position of the first word in the first language speech and a position of the second word in the first language speech are within a predetermined range.
4. The apparatus according to claim 1 , further comprising a correspondence extracting unit that extracts an inter-word correspondence relation including information on a matched portion and a mismatched portion between a first word included in the first recognition result and a second word included in the second recognition result, wherein the retrieving unit retrieves a second-language example corresponding to a mismatched word that is a word corresponding to the mismatched portion from the example storing unit based on the inter-word correspondence relation, and replaces a word of the second-language example corresponding to the second recognition result and corresponding to the mismatched word by retrieved second-language example corresponding to the mismatched word.