Word-by-word sentence comparison method, system, computer program product and recording media

The invention provides a word-by-word sentence comparison method, a system, a computer program product and a computer-readable recording media. The method comprises the following steps: searching a first control word bank to judge whether a first language phrase is in the first control word bank, if the first language phrase is in the first control word bank, obtaining a group of second language definitions from the first control word bank; searching a second language phrase variation vocabulary to judge whether a specific second language definition is in the second language phrase variation vocabulary or not; if the specific second language definition is in the second language phrase variation vocabulary, obtaining a group of second language variation phrases from the second language phrase variation vocabulary; comparing a specific second language variation phrase and a second language sentence to judge whether the specific second language variation phrase is in the second language sentence or not; and if the specific second language variation phrase is in the second language sentence, marking the first language phrase and the specific second language variation phrase so as to show the corresponding relationship of the first language phrase and the specific second language variation phrase. The invention has the advantages of accurate comparison results and high efficiency.