Here are some possible interpretations based on similar French phrases:
* "Je ne sais pas" means "I don't know" in English.
* "Je ne peux pas" means "I can't" in English.
* "Ex-je" is not a valid French word. Perhaps you're thinking of "ex", which means "former" in English, as in "ex-boyfriend" or "ex-wife".
Please clarify the phrase you are trying to translate. If you provide the full sentence or context, I can give you a more accurate translation.