It's hard to know exactly how to help because although say the following appears to offer quite a comprehensive translation from English for knitting terms (for example ask it to translate the word 'knit' from English to Greek and you get an array of useful words/ phrases), what is translated appears in the Greek alphabet:
It MAY however help you to make up some flash cards etc. I think I'd be perhaps looking for someone who is bi-lingual to record a run of terms for you that you need. This way you can learn the right pronunciation. Is there a Greek club or society you could approach?