14. The method as claimed in claim 13 , wherein the method further includes: using a speech segmentor of the word model trainer to obtain a first speech segment of the at least one preset word and at least one second speech segment of one or more repeated new words to synonymously represent the at least one preset word.
14. The method as claimed in claim 13 , wherein the method further includes: using a speech segmentor of the word model trainer to obtain a first speech segment of the at least one preset word and at least one second speech segment of one or more repeated new words to synonymously represent the at least one preset word. 15. The method as claimed in claim 14 , wherein the method further includes: performing respectively, by a word detector, a detection on the at least one second speech segment of the one or more repeated new words and the first speech segment of the at least one preset word, and marking each of the at least one second speech segment and the first speech segment, thereby obtaining at least one speech segment marked as an unknown word and at least one speech segment marked as the preset word.