How to stop Dictionary Trainer on Mac OS X.
1. Open /home/library/Preferences/ com.appple.JapaneseAnalysis / DictionaryTrainer / Trainer.dict
with koetori register words.
2. import file into any user specified dictionary.
3. delete processedMail file on /home/library/Preferences/ com.appple.JapaneseAnalysis / DictionaryTrainer /
4. Restart your mac and Done