The confidence level of single words in the proposed method is lower than in the baseline method, likely because the baseline selected a smaller amount of single words, and those se-   Table 6: Average confidence level of manual translation corresponding to phrase length lected were less likely to be technical terms.
we can confirm that the confidence level for longer phrases in the baseline method decreases drastically, while it is stably high in our method, confirming the effectiveness of selecting syntactically coherent phrases.