1. A translation method using at least one phrase pair having a source phrase in a first language and a target phrase in a second language, comprising: receiving a test phrase pair including a test source phrase and a test target phrase; determining a primary source phrase that is the source phrase of a phrase pair having the test target phrase as the target phrase and the highest selection score; determining a primary target phrase that is the target phrase of a phrase pair having the test source phrase as the source phrase and the highest selection score; comparing the primary source phrase to the test source phrase; comparing the primary target phrase to the test target phrase; generating, by a machine learned classifier, a score for the test phrase based upon the comparing the primary source phrase to the test source phrase and the comparing the primary target phrase to the test target phrase; modifying the machine translation system based upon the score generated by the machine learned classifier; and translating a phrase from a first language to a second language in accordance with the modified translation system.