1. A dialogue supporting apparatus which supports a dialogue carried out in different languages, said dialogue supporting apparatus comprising: an input accepting unit operable to accept an utterance of a user as an input; a translation processing unit operable to translate the accepted utterance into a predetermined language, and to output translated utterance information which is acquired through the translation; an output notification unit operable to notify the outputted translated utterance information to a user; and an output time determination unit operable to analyze a characteristic included in the utterance of the user, and to determine an output time for translation of an utterance which is to be accepted subsequently.